Given a linear curve, the value on the y-axis changes from 100 to 120 when the value on the x-axis changes from 20 to 10, then the slope of that curve is

The Fed raises the federal funds rate. Which of the following changes occurs most rapidly?

A) Exchange rate rises. B) Consumption expenditure decreases. C) Aggregate demand decreases. D) Real GDP growth decreases. E) Inflation rate decreases.

Which of the following is the best description of the U.S. tax system?

A. The federal income tax is progressive, but sales, property, and other taxes tend to be regressive. B. The U.S. tax system is consistently progressive. C. The U.S. tax system is consistently regressive. D. The federal income tax is regressive, but sales, property, and other taxes tend to be progressive.