Which of the following is a positive economic statement?
A congestion charge of £15 per day is too high for low-income commuters.
An increase in the top rate of income tax is the fairest way to reduce the national debt.
An increase in the top marginal rate of income tax from 45%45\%45% to 50%50\%50% will reduce total tax revenue.
The government should nationalise the rail network to guarantee lower fares for passengers.
