The automobile, steel, and oil markets are all examples of:

Which of the following can explain why some countries have not experienced relatively high growth rates in real GDP per capita despite relatively low initial levels of real GDP per capita?

A) Countries that are relatively poor are more likely to experience wars and revolutions. B) Countries that are relatively poor are likely to have a lower quality of health care. C) Many of these developing countries do not have a functioning court system that can enforce laws. D) all of the above

The formula for calculating the tax multiplier is

a. MPC/(1 - MPC) b. MPC/(1 + MPC) c. -MPC/(MPC - 1) d. -MPC/(1 - MPC) e. MPC + (1 - MPC)