Over time, the price of personal computers has fallen dramatically. All else constant, this would lead us to expect that demand for personal computers has become more price elastic

When there are many goods is that in a barter system

A) transactions costs are minimized. B) there exists a multiple number of prices for each good. C) there is only one store of value. D) exchange of services is impossible.

The best explanation for the rapid rise in skilled wages relative to unskilled wages in antebellum U.S. is:

a. The demand for unskilled labor fell while the demand for skilled labor increased. b. The supply for unskilled labor increased and the supply for skilled labor remained the same. c. While both the supply and demand for skilled and unskilled labor grew during the period, the supply of unskilled labor grew relative to the supply of skilled labor. d. The supply and demand for skilled labor increased while both decreased for unskilled labor.