Contractionary fiscal policy will most likely

If the money supply in an economy is $100,000, currency in circulation is $50,000, amount in savings accounts is $18,000, travelers' checks is $12,000, and the amount in money market accounts is $9,000,

then what is the amount held in checking accounts in the economy?

Dan and Dave are both college graduates. Dan is a patrolman and Dave is a detective in the same police precinct. While Dan's job is inherently more dangerous than Dave's, Dave passed a difficult exam to gain promotion to detective. Dave earns more than Dan because

a. Dave's job is less dangerous. b. of efficiency wages. c. of education as a signal. d. Dave has more human capital.