Barter is the exchange of goods and services without the use of money

When duopoly games are repeated and a "tit for tat" strategy is used,

A) the competitive outcome is more likely to be reached than when the game is played once. B) the monopoly outcome is more likely to be reached than when the game is played once. C) both firms begin to incur economic losses. D) one firm goes out of business. E) Because the game is repeated, it is impossible to predict whether the competitive or the monopoly outcome is more likely.

The Lorenz curve in the above figure implies that

A) income is equally distributed. B) the lowest fifth of households account for less than 20 percent of income. C) the highest fifth of households account for less than 20 percent of income. D) the lowest fifth of households account for more than 20 percent of income.