When the tax structure of a nation is progressive, as incomes increase, the tax rate:

How much of U.S. government debt is held by the rest of the world?

What will be an ideal response?

If the supply curve of labor shifts to the left, we know for certain that

a. technology has improved b. a higher wage rate must be offered to employ the same number of workers that were employed before the shift in the curve occurred c. any quantity of workers can be hired at the same wage d. the MRP has decreased e. the MRP has increased