The labor supply curve is:

On account of a massive construction boom in a country, the demand for iron ore increases substantially. This causes iron ore prices to escalate. Producers increase iron ore mining considerably in the short run, in spite of knowing that this will adversely affect future availability of ore. Which of the following is most similar to the scenario described above?

a. Corn producers hoard their supplies in order to induce a price hike. b. Petroleum manufacturers increase extraction in response to sky-rocketing fuel prices. c. The government of a country makes aforestation mandatory for lumber firms. d. Impressive revenue generation induces the government of a country to impose additional fuel surcharge. e. To discourage smoking, the government of a country increases sales tax on cigarettes.

The Fed has which of the following as its strongest control over the money supply?

a. interest rate changes b. the discount rate c. open market operations d. the required reserve rate