A government introduces a unit subsidy paid to manufacturers of domestic solar electricity storage systems. At the same time, it launches a major national advertising campaign highlighting the long-term household savings from installing these systems.
What are the effects of these joint policies on the market for domestic solar storage systems?
Demand: Shift to the left; Supply: Shift to the left; Quantity traded: Fall
Demand: Shift to the right; Supply: Shift to the right; Quantity traded: Rise
Demand: Shift to the right; Supply: Shift to the left; Quantity traded: Uncertain
Demand: Shift to the left; Supply: Shift to the right; Quantity traded: Uncertain
