If your income increases from $10,000 per year to $14,000 per year and your tax payment increases from $2,000 to $2,840, the marginal tax rate:

The expenditure approach to measuring GDP is based on summing

A) wages, interest, rent, and profit. B) each industry's production. C) the total values of final goods, intermediate goods and services, used goods, and financial assets. D) consumption expenditure, investment, government expenditure on goods and services, and net exports of goods and services. E) consumption expenditure, investment, government expenditure on goods and services, and net exports of goods and services minus wages, interest, rent, and profit.

According to public choice theorists, people behave differently in the market sector than in the public sector because

A) the more people there are in the market sector the less influence they are able to exert, whereas the more people there are in the public sector the more influence they are able to exert. B) the fewer people there are in the market sector the less influence they are able to exert, whereas the fewer people there are in the public sector the more influence they are able to exert. C) self-interest is the motivating force in the market sector, whereas altruism is the motivating force in the public sector. D) altruism is the motivating force in the market sector, whereas self-interest is the motivating force in the public sector. E) institutional arrangements are different in the two sectors.