Suppose that Tom bought a bike from Helen for $195. If Helen's reservation price was $185, and Tom's reservation price was $215, the seller's surplus from this transaction was:

Zoran, a Croatian citizen, only works in the United States. The value added to production from his employment is:

A) included in Croatian GDP. B) included only in U.S. GDP. C) included only in U.S. GNP. D) not included in either U.S. GDP or U.S. GNP.

The marginal rate of return on investment is equal to capital's

a. MRC ? MRP/2 b. MRC/MRP c. MRP/MRC d. MRC ? MRP/2 e. MRC ? MRP ? the interest rate