The fraction of deposits that banks are required by law to hold and not lend out are called its

If the marginal rate of technical substitution for a cost minimizing firm is 10, and the wage rate for labor is $5, what is the rental rate for capital?

A) $0.5 B) $1 C) $2 D) $10

Assume that DeShawn is a single parent who is in poverty. He receives food stamps and Medicaid. For every $100 that he earns, DeShawn loses $35 of his food stamp benefits and $20 in his Medicaid benefits. Also, DeShawn's income is taxed at a rate of 10 percent. Then, Peter's effective marginal tax rate is

a. 45 percent. b. 55 percent. c. 65 percent. d. 70 percent.