What might cause diseconomies of scale?

A monopsonist in the labor market has

A) a perfectly elastic labor supply. B) a decreasing average variable cost. C) an upward sloping labor supply curve. D) a downward sloping marginal revenue product curve.

Compared to England, the 19th century American manufacturing labor force was:

a. less likely to unionize. b. less mobile. c. less accepting of technological change in the workplace. d. less productive.