Oligopoly is a market structure where one firm produces all of the output in the market

In a frictionless labor market:

A) there is always a shortage of workers. B) the wage adjusts instantly to clear the market. C) there is always a surplus of workers. D) the ongoing wage rate does not change for long periods of time.

If firms became more optimistic about the future of the economy, which of the following occurs?

A) Investment demand decreases, and the demand for loanable funds curve shifts leftward. B) The quantity of investment demanded increases, and there is a movement down along the demand for loanable funds curve. C) The quantity of investment demanded decreases, and there is a movement up along the demand for loanable funds curve. D) The saving decreases, and the supply of loanable funds curve shifts leftward. E) Investment demand increases, and the demand for loanable funds curve shifts rightward.