Suppose that goods A and B are close substitutes. If the price of good A falls, then we would expect an

The use of bar codes, computerized price lists, and scanners in supermarkets is an example of

A) menu costs. B) implicit contracts. C) efficiency pricing. D) All of the above.

Data indicate that the large increase in government spending on income transfers that started with the War on Poverty during the latter half of the 1960s has resulted in

a. a substantial reduction in the poverty rate. b. a more equal distribution of income. c. fewer single-parent families because a married couple receives benefits twice as large. d. little change in the official poverty rate.