Indicate whether each of the following descriptions represents saving or investment, as defined by a macroeconomist. a. This occurs when a person's income exceeds his consumption.
b. This occurs when a person or firm purchases new capital.

Indicate whether each of the following situations represents saving or investment.

1. Your family takes out a mortgage and buys a new house.
2. You use your $200 paycheck to buy stock in AT
3. You use your $200 paycheck to buy stock in AT&T. ( )
4. You borrow $1,000 from a bank to buy a car to use in your pizza delivery business. ( )