Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true ?

A) A political business cycle is one created by the incentive for politicians to manipulate the economy to get re-elected.
B) Adaptive expectations theory argues that the best indicator of the future is recent information.
C) Incomes policies tend to be ineffective over time.
D) Incomes policies include jawboning, wage-price guidelines, and wage-price controls.
E) All of these.