Which U.S. president said, "Give me a one-handed economist. All my economists say ‘On the one hand, and then on the other hand.'"?

When a banker accepts a deposit of $1,000 in cash and puts $200 aside as required reserves and then makes a loan of $800 to a new borrower, this set of transactions

a. decreases the money supply by $1,000. b. decreases the money supply by $200. c. does not change the money supply. d. increases the money supply by $200. e. increases the money supply by $800.

Suppose that the demand for digital cameras is elastic, and the supply of digital cameras is inelastic. A tax of $20 per camera levied on digital cameras will decrease the effective price received by sellers of digital cameras by

a. less than $10. b. $10. c. between $10 and $20. d. $20.