A major purpose of tariffs is to

Refer to Table 11-3. The table above refers to the relationship between the quantity of workers employed and the number of cardboard boxes produced per day by Manny's House of Boxes. The capital used to produce the boxes is fixed

Diminishing returns to labor are first observed in this example after Manny hires the ________ worker. A) second B) third C) fourth D) fifth

In the long run:

A. per-unit costs are fixed. B. all inputs are fixed. C. all inputs are variable. D. some inputs are not variable.