How would you expect each of the following to affect the economy wide demand for money? Explain.
a. Competition among brokers forces down the commission charge for selling holdings of bonds or stocks.
b. Grocery stores begin to accept credit cards in payment.
c. Financial investors become concerned about increasing riskiness of stocks.

d. Online banking allows customers to check balances and transfer funds between checking and mutual fund investments 24 hours a day.
e. The economy enters a boom period.
f. Political instability increases in developing nations.