An increase in investment combined with a decrease in education would have an indeterminate effect on both short run and long run aggregate supply

The National Labor Relations Act of 1935 and the Fair Labor Standards Act of 1938 forced employers to

(a) negotiate with unionized labor. (b) keep hours at a minimum. (c) pay maximum wages. (d) do all of the above.

If 15 workers produce 100 license plates, 16 workers produce 120 license plates, and 17 workers produce 130 license plates, then

a. diminishing marginal returns have not set in because the marginal product is positive b. the marginal product of the seventeenth worker is 130 c. diminishing marginal returns must begin with the sixteenth worker d. the marginal product of the sixteenth worker is greater than the marginal product of the seventeenth worker e. the marginal product of the fifteenth worker must be 20