A group of firms that try to work together to earn monopoly profits is called a(n)

The Fisher equation implies ________

A) the nominal interest rate equals the real rate of inflation plus expected inflation B) the real interest rate equals expected inflation C) expected inflation equals current inflation D) the rate of inflation equals the real minus the nominal rates of interest E) none of the above

When the price of running shoes goes from $100 to $80, the quantity demanded increases from 20 to 30 million. Over this price range, the absolute value of the price elasticity of demand is

a. 0.55. b. 1. c. 1.25. d. 1.80. e. 2.50.