Jack refused to contribute money for building a public park when he was contacted individually. However, he readily agreed to donate when he was asked to contribute for a similar cause in front of his neighbors

In an oligopoly industry, price:

a. will be lower than the competitive price, due to cost savings. b. will exceed the monopoly price, due to the destructiveness of competitive forces. c. cannot be predicted exactly, because it is likely to lie between the competitive and monopoly prices. d. none of these.

The pure interest yield

a. reflects the expectation that the loan will be repaid with dollars of less purchasing power. b. is the real price one must pay for earlier availability. c. reflects the probability of default. d. is the real rate of return one could expect if the funds were invested in the commodities market.