What is the approximate number of Americans who have jobs?

What sort of productivity shocks would cause lower real wage growth and result in lower growth in labor productivity?

A) productivity shocks which decrease supply of labor given the demand for labor B) productivity shocks which increase supply of labor given the demand for labor C) productivity shocks which increase demand for labor given the supply of labor D) productivity shocks which decrease demand for labor given the supply of labor

Diane Rae is a farmer in the perfectly competitive industry of sugar cane. She knows that she can sell more output than she currently does

a. only by lowering the price of her sugar cane b. only if she is able to drive out some of her competition c. without affecting the market price d. by raising the barriers to entry so that more of the market is left to those like herself who are already in the industry e. only if she can develop a patent on sales