Which tax system requires higher-income taxpayers to pay a higher percentage of their income in taxes?

The federal budget is defined as

A) an annual statement of expenditures and tax revenues of the U.S. government. B) a monthly statement of whether the U.S. government is in deficit or surplus. C) a monthly statement of expenditure laws passed by the U.S. government. D) an annual statement of what policy actions the U.S. government has pursued. E) an annual statement of U.S. government violations of international laws.

Many economists view ________ as explaining most of the increase in the natural rate of unemployment in the U.S. from 1960 to 1980

A) the rise in the percentage of young workers in the labor force B) an increase in the percentage of the working-age population receiving disability insurance C) a decrease in the size of the prison population D) increased use of temporary workers