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every relevant option and its consequences, allowing them to select the choice that maximises their utility."},{"text":"Limited but accurate information about available choices and outcomes.","correct":false,"explanation":"This confuses rational choice with decision-making under information constraints. The rational model assumes full and accurate information about available choices and outcomes, not merely accurate knowledge of some options."},{"text":"Full but inaccurate information about available choices and outcomes.","correct":false,"explanation":"Having information about every option is insufficient if that information is inaccurate. The rational model assumes agents have both full and accurate information about available choices and outcomes."},{"text":"Unequal and incomplete information about available choices and outcomes.","correct":false,"explanation":"Unequal and incomplete knowledge describes information failure, particularly asymmetric information. The rational model instead assumes full and accurate information about the choices available and their likely outcomes."}]},{"id":"475e3a86-f87f-46ac-9c85-9599a8e39e5e","cardType":"basic","points":1,"front":"What is imperfect information?","back":"Imperfect information means gaps or inaccuracies in what agents know.","mcqOptions":[{"text":"Imperfect information means gaps or inaccuracies in what agents know.","correct":true,"explanation":"Information is imperfect when agents' knowledge is incomplete or inaccurate. This can prevent consumers, workers or firms from judging the costs and benefits of choices correctly."},{"text":"Perfect information means gaps or inaccuracies in what agents know.","correct":false,"explanation":"This reverses the definitions: perfect information is complete and accurate. Gaps or inaccuracies in agents' knowledge are instead described as imperfect information."},{"text":"Asymmetric information means gaps or inaccuracies in what agents know.","correct":false,"explanation":"Asymmetric information specifically concerns unequal knowledge between transaction parties. The broader term for gaps or inaccuracies in what agents know is imperfect information."},{"text":"Public information means gaps or inaccuracies in what agents know.","correct":false,"explanation":"Public information is information made widely available and does not necessarily contain gaps or errors. Imperfect information is the term for incomplete or inaccurate knowledge."}]},{"id":"99afb745-f135-40bf-9fa2-a34f258a1d1b","cardType":"basic","points":1,"front":"What is asymmetric information?","back":"Asymmetric information occurs when one transaction party has more or better information than the other.","mcqOptions":[{"text":"Asymmetric information occurs when one transaction party has more or better information than the other.","correct":true,"explanation":"Information is asymmetric when knowledge is distributed unequally between the parties to a transaction, giving one side an informational advantage over the other."},{"text":"Imperfect information occurs when both transaction parties have equally complete and accurate information.","correct":false,"explanation":"Equal, complete and accurate knowledge describes perfect information, not imperfect information. Asymmetric information occurs when one transaction party has more or better information than the other."},{"text":"Symmetric information occurs when one transaction party has more or better information than the other.","correct":false,"explanation":"The unequal distribution described here is asymmetric, not symmetric. Symmetric information would mean that the parties possess the same relevant information."},{"text":"Public information occurs when one transaction party hides all information from the other.","correct":false,"explanation":"Public information is generally accessible rather than hidden by one party. Asymmetric information occurs whenever one transaction party has more or better information than the other."}]},{"id":"9e9f62f6-f8d7-473d-8024-0914987ffb80","cardType":"basic","points":1,"front":"Why is information asymmetric in the used-car example?","back":"The seller knows the car's reliability, but the buyer cannot judge its quality accurately.","mcqOptions":[{"text":"The seller knows the car's reliability, but the buyer cannot judge its quality accurately.","correct":true,"explanation":"The seller's experience of the car provides better knowledge of its reliability than the buyer can obtain before purchase, creating an informational imbalance between the parties."},{"text":"The buyer knows the car's reliability, but the seller cannot judge its quality accurately.","correct":false,"explanation":"This reverses the usual informational advantage in a used-car sale. The seller knows the vehicle's history and reliability, while the buyer struggles to assess its true quality."},{"text":"The seller and buyer know the car's reliability, but neither can negotiate its price accurately.","correct":false,"explanation":"A difficulty negotiating price does not itself create asymmetric information. The asymmetry arises because the seller knows the car's reliability while the buyer cannot accurately judge its quality."},{"text":"The seller cannot judge the car's reliability, but the buyer knows its quality accurately.","correct":false,"explanation":"This incorrectly assigns superior information to the buyer. In the standard example, the seller has greater knowledge of the car's reliability and the buyer cannot accurately assess quality."}]},{"id":"e2440e1c-9a1c-469a-ae04-0b48e022a9ad","cardType":"basic","points":1,"front":"What is adverse selection in the used-car market?","back":"Adverse selection occurs when buyers cannot distinguish good-quality cars from faulty cars before purchase.","mcqOptions":[{"text":"Adverse selection occurs when buyers cannot distinguish good-quality cars from faulty cars before purchase.","correct":true,"explanation":"Buyers' inability to identify quality before purchase can make them offer similar prices for good and faulty cars, discouraging sellers of good cars and worsening market quality."},{"text":"Moral hazard occurs when buyers cannot distinguish good-quality cars from faulty cars before purchase.","correct":false,"explanation":"Moral hazard concerns changed behaviour after an agreement because another party bears some risk. Hidden product quality before purchase instead creates adverse selection."},{"text":"Adverse selection occurs when buyers damage good-quality cars after completing their purchase.","correct":false,"explanation":"Damage caused after purchase is not selection arising from hidden characteristics. Adverse selection occurs before purchase because buyers cannot distinguish good-quality cars from faulty ones."},{"text":"Adverse selection occurs when buyers can identify and avoid every faulty car before purchase.","correct":false,"explanation":"Reliable identification would remove the information problem rather than create adverse selection. Adverse selection arises because buyers cannot distinguish good-quality cars from faulty cars beforehand."}]},{"id":"3684a05a-75b3-486e-b686-ae5f3afb43cd","cardType":"basic","points":2,"front":"How can imperfect information distort consumers' choices?","back":"Consumers may over-consume harmful goods or under-consume beneficial goods.","mcqOptions":[{"text":"Consumers may over-consume harmful goods or under-consume beneficial goods.","correct":true,"explanation":"Without reliable information about private costs and benefits, consumers may buy too many products that harm them and too few products that improve their welfare."},{"text":"Consumers may under-consume harmful goods or over-consume beneficial goods.","correct":false,"explanation":"This describes choices that generally improve consumer welfare rather than the distortion caused by poor information. Imperfect information can produce over-consumption of harmful goods and under-consumption of beneficial goods."},{"text":"Consumers may over-consume beneficial goods or under-consume harmful goods.","correct":false,"explanation":"These choices move consumption in a welfare-enhancing direction and therefore do not illustrate information failure. Poor information may instead increase harmful consumption and reduce beneficial consumption."},{"text":"Consumers may consume all harmful and beneficial goods in efficient quantities.","correct":false,"explanation":"Efficient consumption would require consumers to understand the relevant costs and benefits. Imperfect information can cause harmful goods to be over-consumed and beneficial goods to be under-consumed."}]},{"id":"b0950e98-c81c-493a-b411-00d82b820ce5","cardType":"basic","points":2,"front":"How can imperfect information lead workers to make poor decisions?","back":"Workers may choose the wrong job or training because future wages are difficult to predict.","mcqOptions":[{"text":"Workers may choose the wrong job or training because future wages are difficult to predict.","correct":true,"explanation":"Uncertainty or inaccurate information about future earnings can lead workers to select employment or training that provides a lower return than another available option."},{"text":"Workers may choose the right job or training because future wages are easy to predict.","correct":false,"explanation":"This assumes the information problem has disappeared and therefore does not explain poor decisions. Workers may choose wrongly when future wages are difficult to predict."},{"text":"Workers may choose the wrong job or training because current wages are fixed by consumers.","correct":false,"explanation":"Consumers do not directly fix workers' current wages in this account. The information failure arises because workers cannot reliably predict the future wages associated with different choices."},{"text":"Workers may choose the right job or training because future wages are difficult to predict.","correct":false,"explanation":"Difficulty predicting wages makes a correct decision less reliable, not more likely. Imperfect information may therefore cause workers to choose the wrong job or training."}]},{"id":"8c5df631-0f59-4091-b313-88a5b0c8359d","cardType":"basic","points":2,"front":"How can imperfect information lead firms to make poor decisions?","back":"Firms may misprice risk or invest badly because they lack accurate data.","mcqOptions":[{"text":"Firms may misprice risk or invest badly because they lack accurate data.","correct":true,"explanation":"Accurate data are needed to estimate probabilities and expected returns. Without them, firms may charge unsuitable prices for risk or direct investment towards unprofitable projects."},{"text":"Firms may price risk correctly or invest efficiently because they lack accurate data.","correct":false,"explanation":"Lacking accurate data makes reliable risk pricing and efficient investment less likely, not more likely. Firms may consequently misprice risk or invest badly."},{"text":"Firms may misprice risk or invest badly because they have perfect information.","correct":false,"explanation":"Perfect information would support accurate assessments of risk and expected returns. These poor decisions arise when firms lack accurate data and therefore face imperfect information."},{"text":"Firms may eliminate risk or guarantee returns because they lack accurate data.","correct":false,"explanation":"Missing data cannot remove uncertainty or guarantee investment returns. It instead makes firms more likely to misprice existing risks and allocate investment badly."}]},{"id":"fb79011f-e39c-4a7a-ad89-51a79b2e8c38","cardType":"basic","points":2,"front":"How can imperfect information affect saving for retirement?","back":"Savers may save too little because they do not understand pension charges.","mcqOptions":[{"text":"Savers may save too little because they do not understand pension charges.","correct":true,"explanation":"If savers underestimate how charges reduce pension growth, they may contribute too little to achieve their intended retirement income, illustrating a decision distorted by poor information."},{"text":"Savers may save too much because they fully understand pension charges.","correct":false,"explanation":"Full understanding would allow savers to incorporate charges into a rational contribution decision. The information failure occurs when misunderstanding charges leads them to save too little."},{"text":"Savers may save too little because pension charges increase their final returns.","correct":false,"explanation":"Pension charges reduce net returns rather than increase them. Savers may contribute too little when they fail to understand this reduction in the value of their pension."},{"text":"Savers may save the correct amount because they do not understand pension charges.","correct":false,"explanation":"A correct contribution would be accidental if charges were misunderstood. Imperfect knowledge of how charges reduce returns can cause savers to save too little for retirement."}]},{"id":"cea67e04-f272-49ae-8770-bcbedb463e5d","cardType":"basic","points":1,"front":"Why may poor pension decisions be difficult to spot when they are made?","back":"The mistake is difficult to identify because its effects appear years later.","mcqOptions":[{"text":"The mistake is difficult to identify because its effects appear years later.","correct":true,"explanation":"Pension choices have long time horizons, so inadequate contributions or excessive charges may not visibly reduce retirement income until many years after the original decision."},{"text":"The mistake is difficult to identify because its effects disappear immediately.","correct":false,"explanation":"Immediate disappearance would not explain the delayed recognition of poor pension choices. Their effects accumulate and often become apparent only years later, near or during retirement."},{"text":"The mistake is easy to identify because its effects appear immediately.","correct":false,"explanation":"This ignores the long time horizon of pension saving. Poor decisions are difficult to detect when their consequences emerge gradually and become visible years later."},{"text":"The mistake is difficult to identify because it has no effect on retirement income.","correct":false,"explanation":"Poor pension decisions can materially reduce retirement income. The problem is difficult to spot at the time because this effect may not become apparent for many years."}]},{"id":"ffb2de1d-8606-4419-b12b-cd6e41754022","cardType":"basic","points":2,"front":"Why can poor information cause market failure?","back":"Information failure can send resources to uses that do not produce the best outcome.","mcqOptions":[{"text":"Information failure can send resources to uses that do not produce the best outcome.","correct":true,"explanation":"When decisions rely on incomplete or inaccurate knowledge, demand and supply may direct resources away from the uses that maximise welfare, producing allocative inefficiency."},{"text":"Information failure can send resources to uses that always produce the best outcome.","correct":false,"explanation":"Resources consistently reaching their best uses would indicate efficient allocation, not market failure. Poor information can instead direct resources towards uses that do not maximise welfare."},{"text":"Price stability can send resources to uses that do not produce the best outcome.","correct":false,"explanation":"Stable prices do not define the informational problem described. Information failure causes misallocation when agents' incomplete or inaccurate knowledge leads resources away from their best uses."},{"text":"Information failure can prevent resources from being allocated to any use at all.","correct":false,"explanation":"Information failure usually misallocates resources rather than preventing all allocation. Resources are sent to uses that fail to produce the best outcome for society."}]},{"id":"eca0274f-4f99-46d7-9115-dc3bbe65c077","cardType":"basic","points":2,"front":"Why does imperfect information give government a role?","back":"Government information provision can improve decisions by giving agents relevant information.","mcqOptions":[{"text":"Government information provision can improve decisions by giving agents relevant information.","correct":true,"explanation":"Providing reliable information can fill knowledge gaps, helping consumers and firms compare costs, benefits and risks more accurately and make better-informed choices."},{"text":"Government price controls can improve decisions by withholding relevant information.","correct":false,"explanation":"Withholding information worsens the knowledge problem, while price controls are a different intervention. Government information provision can improve decisions by supplying agents with relevant facts."},{"text":"Government information provision can improve decisions by removing all available choices.","correct":false,"explanation":"Removing choices is regulation or prohibition rather than information provision. The informational role of government is to give agents relevant knowledge so they can choose more effectively."},{"text":"Government information provision can improve decisions by giving agents misleading information.","correct":false,"explanation":"Misleading information would distort decisions further. Government provision can improve market outcomes when it supplies relevant and reliable information that addresses gaps in agents' knowledge."}]},{"id":"b5abe220-8c5a-44fd-b268-6a07a40e7519","cardType":"basic","points":1,"front":"What information can government provide to improve market outcomes?","back":"Examples include health warnings, energy labels and nutrition labelling.","mcqOptions":[{"text":"Examples include health warnings, energy labels and nutrition labelling.","correct":true,"explanation":"These measures reveal health effects, energy efficiency and nutritional content, enabling consumers to compare products more accurately and make better-informed purchasing decisions."},{"text":"Examples include price ceilings, production quotas and indirect taxation.","correct":false,"explanation":"These are direct market interventions affecting prices or quantities, not examples of information provision. Relevant examples are health warnings, energy labels and nutrition labelling."},{"text":"Examples include health subsidies, energy taxes and food rationing.","correct":false,"explanation":"Subsidies, taxes and rationing alter incentives or quantities rather than supplying product information. Governments can address information gaps through health warnings, energy labels and nutrition labelling."},{"text":"Examples include advertising bans, minimum wages and import tariffs.","correct":false,"explanation":"These policies restrict promotion, regulate labour prices or affect trade, rather than directly informing consumers. Health warnings, energy labels and nutrition labelling provide relevant product information."}]},{"id":"72843c3d-f3bc-4bbf-9d79-58ec3aa3abc8","cardType":"basic","points":2,"front":"How can regulating advertising and product claims improve outcomes?","back":"Regulating advertising and product claims can reduce misleading information and improve decisions.","mcqOptions":[{"text":"Regulating advertising and product claims can reduce misleading information and improve decisions.","correct":true,"explanation":"Rules requiring truthful, evidence-based claims reduce consumers' exposure to deceptive information, making it easier for them to compare products and choose according to genuine costs and benefits."},{"text":"Regulating advertising and product claims can increase misleading information and worsen decisions.","correct":false,"explanation":"This reverses the intended effect of regulation. Enforcing accurate product claims should reduce misleading information and thereby support better-informed consumer decisions."},{"text":"Regulating advertising and product claims can eliminate competition and improve decisions.","correct":false,"explanation":"The purpose is to improve the accuracy of information, not eliminate competition. Regulation can reduce misleading claims and help consumers make better-informed choices."},{"text":"Regulating advertising and product claims can reduce product quality and improve decisions.","correct":false,"explanation":"Lower product quality is neither the mechanism nor the intended informational benefit. Regulation improves decisions by reducing false or misleading information in advertisements and claims."}]},{"id":"7e9a9167-4496-4694-94df-7960cdf7bd4f","cardType":"basic","points":2,"front":"Why is imperfect information not the same as irrationality?","back":"A rational agent can choose badly when the information used is incomplete, inaccurate or misleading.","mcqOptions":[{"text":"A rational agent can choose badly when the information used is incomplete, inaccurate or misleading.","correct":true,"explanation":"Rationality concerns how an agent chooses using available knowledge. Even consistent optimisation can produce a poor outcome when the underlying information is incomplete, false or deceptive."},{"text":"A rational agent can choose badly only when the information used is complete, accurate and reliable.","correct":false,"explanation":"Complete and reliable information supports rational decision-making rather than explaining systematic errors. A rational agent may choose badly when the information available is incomplete, inaccurate or misleading."},{"text":"A rational agent must always choose well even when the information used is incomplete or misleading.","correct":false,"explanation":"This confuses rational decision-making with guaranteed correct outcomes. Rational agents can still make poor choices when their decisions are based on incomplete, inaccurate or misleading information."},{"text":"An irrational agent always chooses well when the information used is incomplete, inaccurate or misleading.","correct":false,"explanation":"Neither irrationality nor poor information guarantees a good choice. The key distinction is that even a rational agent can choose badly when the available information is defective."}]},{"id":"6e18fb45-c2cb-464e-8a03-b55fb7c4dbb7","cardType":"basic","points":3,"front":"How does asymmetric information differ from imperfect information?","back":"Asymmetric information is unequal information between transaction parties; imperfect information describes gaps or inaccuracies that may affect everyone.","mcqOptions":[{"text":"Asymmetric information is unequal information between transaction parties; imperfect information describes gaps or inaccuracies that may affect everyone.","correct":true,"explanation":"Asymmetry refers specifically to an imbalance of knowledge between parties, whereas imperfect information is broader and includes incomplete or inaccurate knowledge even when all agents are similarly affected."},{"text":"Asymmetric information describes gaps or inaccuracies that may affect everyone; imperfect information is unequal information between transaction parties.","correct":false,"explanation":"This swaps the definitions. Asymmetric information is an imbalance between transaction parties, while imperfect information is the broader problem of incomplete or inaccurate knowledge."},{"text":"Asymmetric information is equal information between transaction parties; imperfect information describes complete and accurate knowledge for everyone.","correct":false,"explanation":"Equal information and complete knowledge are the opposites of the concepts named. Asymmetry means unequal knowledge, while imperfect information means knowledge contains gaps or inaccuracies."},{"text":"Asymmetric information describes missing information outside transactions; imperfect information means one transaction party always knows everything.","correct":false,"explanation":"Asymmetry is defined within transactions and does not require either party to know everything. Imperfect information broadly describes gaps or inaccuracies that may affect any or all agents."}]},{"id":"613208fe-4671-4afd-932c-c7fc434a9c75","cardType":"basic","points":3,"front":"How can asymmetric information make the used-car market unravel?","back":"If buyers offer only an average-car price, owners of genuinely good cars withdraw them, causing average quality to fall further.","mcqOptions":[{"text":"If buyers offer only an average-car price, owners of genuinely good cars withdraw them, causing average quality to fall further.","correct":true,"explanation":"Adverse selection means buyers price vehicles using expected average quality. Good-car owners then leave, lowering the remaining pool’s quality and causing buyers to reduce their offers again."},{"text":"If buyers offer only an average-car price, owners of genuinely poor cars withdraw them, causing average quality to rise further.","correct":false,"explanation":"This reverses the selection effect: poor-quality owners have more incentive to accept an average price. The correct result is that good-car owners withdraw, so average quality falls further."},{"text":"If buyers offer only a genuinely good-car price, owners of average cars withdraw them, causing average quality to fall further.","correct":false,"explanation":"An average price, not a good-car price, causes owners of high-quality vehicles to reject the offer. Their withdrawal reduces the market’s average quality and makes the problem worsen."},{"text":"If buyers offer different prices for different qualities, owners of genuinely good cars withdraw them, causing average quality to fall further.","correct":false,"explanation":"Different quality-based prices reduce the information problem by rewarding good vehicles. The unraveling occurs when buyers offer only an average price and good-car owners leave."}]},{"id":"0a6c8af0-7dae-43c1-805e-c7d703f2c420","cardType":"basic","points":2,"front":"How can participants reduce asymmetric information in the used-car market?","back":"Sellers offer warranties and buyers pay for inspections to reduce the information gap.","mcqOptions":[{"text":"Sellers offer warranties and buyers pay for inspections to reduce the information gap.","correct":true,"explanation":"A warranty signals that the seller expects the car to be reliable, while an inspection gives the buyer information about its condition. Both reduce asymmetric information."},{"text":"Sellers offer discounts and buyers pay for advertising to reduce the information gap.","correct":false,"explanation":"Discounts and advertising do not necessarily reveal vehicle quality or condition. Warranties signal seller confidence, while inspections provide buyers with independent information."},{"text":"Sellers offer guarantees and buyers pay for repairs to reduce the information gap.","correct":false,"explanation":"Repairs deal with faults after purchase rather than informing the buyer before it. The relevant measures are warranties from sellers and inspections conducted by buyers."},{"text":"Sellers offer finance and buyers pay for insurance to reduce the information gap.","correct":false,"explanation":"Finance and insurance mainly address affordability and risk, not hidden information about a used car’s quality. Warranties and inspections directly reduce the information gap."}]},{"id":"aad7cb68-da79-4034-ba79-085b273615f1","cardType":"cloze","points":null,"front":"When information is imperfect, consumers may [ ] or under-consume beneficial goods.","back":"When information is imperfect, consumers may over-consume harmful goods or under-consume beneficial goods.","mcqOptions":[{"text":"over-consume harmful goods","correct":true,"explanation":"Imperfect information can make harmful products appear less damaging than they are, leading consumers to consume too much while also causing under-consumption of beneficial goods."},{"text":"under-consume harmful goods","correct":false,"explanation":"Under-consumption of a harmful good would generally reduce the problem rather than result from failing to recognise its harm. The correct effect is over-consumption of harmful goods."},{"text":"over-consume beneficial goods","correct":false,"explanation":"Poor information may hide the benefits of a beneficial good, causing consumers to buy too little. It does not identify over-consumption of beneficial goods as the relevant failure."},{"text":"under-consume luxury goods","correct":false,"explanation":"The distinction concerns whether goods are harmful or beneficial, not whether they are luxuries. Imperfect information can cause harmful goods to be over-consumed."}]},{"id":"bc56486c-8e64-489a-b10a-7bee547fe468","cardType":"cloze","points":null,"front":"When information is imperfect, consumers may over-consume harmful goods or [ ].","back":"When information is imperfect, consumers may over-consume harmful goods or under-consume beneficial goods.","mcqOptions":[{"text":"under-consume beneficial goods","correct":true,"explanation":"Consumers who underestimate a product’s benefits may demand too little of it. This is the beneficial-good counterpart to consuming too much of a product’s harmful effects."},{"text":"over-consume beneficial goods","correct":false,"explanation":"Over-consumption of beneficial goods is not the standard information failure described here. Imperfect information can conceal benefits, causing beneficial goods to be under-consumed."},{"text":"under-consume harmful goods","correct":false,"explanation":"Buying too little of a harmful good is generally protective rather than a market failure caused by missing benefits. The relevant error is under-consuming goods that provide benefits."},{"text":"over-consume essential goods","correct":false,"explanation":"The key category is beneficial goods, regardless of whether they are essential. Incomplete information about benefits can lead consumers to under-consume them."}]},{"id":"4a4e0448-3b92-4430-bf83-c1c262b92899","cardType":"cloze","points":null,"front":"If agents act on poor information, resources may be sent to the [ ], creating information failure.","back":"If agents act on poor information, resources may be sent to the wrong uses, creating information failure.","mcqOptions":[{"text":"wrong uses","correct":true,"explanation":"Poor information can lead households, firms or governments to allocate scarce resources toward activities where they are less valuable. This misallocation is information failure."},{"text":"most profitable uses","correct":false,"explanation":"Sending resources to their most profitable uses describes efficient allocation, not information failure. Poor information instead causes resources to be directed toward wrong uses."},{"text":"socially beneficial uses","correct":false,"explanation":"Allocating resources to socially beneficial uses is the outcome policymakers seek. Information failure occurs when inaccurate or incomplete information prevents that allocation."},{"text":"lowest-cost uses","correct":false,"explanation":"Choosing lowest-cost uses can improve efficiency when benefits are known, but it is not the defining consequence of poor information. Resources may instead be misallocated."}]},{"id":"1d3d2588-2ab5-499a-b260-e524ee763d7e","cardType":"cloze","points":null,"front":"Information provision helps only if people can [ ] the information.","back":"Information provision helps only if people can access, understand and use the information.","mcqOptions":[{"text":"access, understand and use","correct":true,"explanation":"Information improves decisions only when people can obtain it, interpret its meaning and apply it effectively. Missing any one of these stages limits the policy’s benefit."},{"text":"receive, memorise and repeat","correct":false,"explanation":"Simply receiving and memorising information does not ensure that people understand or apply it when making decisions. Effective provision requires access, understanding and use."},{"text":"share, compare and advertise","correct":false,"explanation":"Sharing, comparing and advertising may spread information, but they do not guarantee that decision-makers can interpret and apply it. The required conditions are access, understanding and use."},{"text":"purchase, store and ignore","correct":false,"explanation":"Information that is ignored cannot improve a decision, even if it has been obtained and stored. People must be able to access, understand and use it."}]},{"id":"97d504fb-1490-496c-a365-82d3d24dd171","cardType":"cloze","points":null,"front":"Too much information can overwhelm agents, causing them to rely on [ ].","back":"Too much information can overwhelm agents, causing them to rely on rules of thumb.","mcqOptions":[{"text":"rules of thumb","correct":true,"explanation":"When processing all available information is difficult, agents may use simple heuristics. These rules of thumb reduce mental effort but can produce less accurate decisions."},{"text":"perfect information","correct":false,"explanation":"Having too much information does not give agents perfect knowledge, and overload can make decisions harder. The common response is reliance on simple rules of thumb."},{"text":"marginal analysis","correct":false,"explanation":"Marginal analysis compares additional benefits and costs, but information overload often prevents detailed calculation. Agents may instead simplify choices using rules of thumb."},{"text":"market equilibrium","correct":false,"explanation":"Market equilibrium is an outcome of interactions between supply and demand, not a decision-making shortcut. Overwhelmed agents may rely on rules of thumb."}]},{"id":"c7672a05-5f48-453e-ad5a-4744b3d79e1a","cardType":"cloze","points":null,"front":"Some information is genuinely [ ] or impossible to obtain.","back":"Some information is genuinely costly or impossible to obtain.","mcqOptions":[{"text":"costly","correct":true,"explanation":"Some information requires significant time, money or effort to obtain. When its acquisition cost is high, agents may rationally choose not to gather it."},{"text":"free","correct":false,"explanation":"Information that is free is generally easier to obtain, although it may still be difficult to interpret. The relevant limitation here is that some information is costly."},{"text":"irrelevant","correct":false,"explanation":"Irrelevant information may be unnecessary, but that does not mean it is impossible or expensive to obtain. The statement concerns information with a real acquisition cost."},{"text":"guaranteed","correct":false,"explanation":"Guaranteed information describes certainty or reliability, not the resources needed to obtain it. Some useful information is costly to acquire or impossible to obtain."}]},{"id":"475ee0e8-0172-465b-a906-a89e5046c3c2","cardType":"cloze","points":null,"front":"Better information usually improves decisions [ ] rather than removing the problem entirely.","back":"Better information usually improves decisions at the margin rather than removing the problem entirely.","mcqOptions":[{"text":"at the margin","correct":true,"explanation":"Improved information usually changes the quality of choices incrementally by helping agents compare additional benefits and costs. It reduces, rather than completely eliminates, uncertainty."},{"text":"in every case","correct":false,"explanation":"Better information cannot guarantee improved decisions in every case because people may misunderstand or ignore it. Its usual effect is improvement at the margin."},{"text":"without any cost","correct":false,"explanation":"Obtaining and processing better information can require time, money and effort. The claim concerns incremental decision improvement, not costless improvement."},{"text":"only after markets clear","correct":false,"explanation":"Information can influence decisions before, during or after market transactions, so market clearing is not the relevant condition. Better information usually improves choices at the margin."}]}]}],"examCountdown":{"examDate":"2027-05-10","paperLabel":"Paper 1"},"heading":"1.2.2 Imperfect information","title":"1.2.2 Imperfect information Flashcards","topbar":{"backHref":"/a-level/economics/aqa/flashcards"},"topicSidebar":"$L38"}]}],"topicId":"d9de6b37-ec33-5dbc-86d4-58326babb509","walled":"$L39"}],"$L3a","$L3b"]