The marginal product of the fourth gizmo worker hired is

The marginal tax rate shows

A) the percentage of income which a typical family pays in tax. B) the average rate of taxation in the economy. C) the deductions which are permitted for child care and medical expenses. D) the extra tax due on an extra dollar of income.

In the long run, the number of jobs in country is primarily determined by macroeconomic factors, not international trade

Indicate whether the statement is true or false