The time it takes for a particular monetary policy to change income is called the _____

Which of the following statements is NOT true for a perfectly competitive firm?

A) A firm's demand curve is horizontal. B) The firm can influence its demand curve by advertising its product. C) The firm's demand curve is perfectly elastic. D) The market demand and supply curves determine the market price.

High rates of unemployment are undesirable because: a. they cause increased levels of societal tension

b. society loses potential production of goods and services. c. families of the unemployed may find it difficult to survive. d. all of the above.