In the United States, of the following decades economic growth was most rapid during the ________

Skeeter's Skeeball Castle has seen its business slow down ever since Kerrie's Off-Key Karaoke opened up next door. Since the opening of Kerrie's Off-Key Karaoke, the opportunity cost of playing skeeball at Skeeter's has

A) decreased. B) not changed. C) fallen to zero. D) increased.

Technological change that increases the marginal productivity of labor in the classical model would cause

a. labor demand, output and the price level to rise. b. labor demand to fall, the price level to fall, and output to rise. d. labor demand, output and employment to rise. c. output to rise but labor demand to fall.