Refer to the above table. Suppose the price of X increases from $10 to $12. What is the cross price elasticity of demand between X and Z?

The calculation of GDP excludes the value of

A) government expenditure on office supplies. B) households' purchases of shampoo. C) businesses' purchase of new machine tools. D) a family member painting the family home. E) expenditure on durable goods.

The cost of holding money balances increases when

a. the purchasing power of money rises. b. the money interest rate increases. c. the price of goods and services falls. d. consumer income expands.