Plots of land differ in

An increased demand for the services of tax accountants

A) may raise their fees but cannot affect their costs. B) may raise their fees by making it more costly for them to provide services to any client. C) will lead to fewer people using the services of tax accountants because higher prices mean a smaller quantity demanded. D) will lower their fees in the long run by producing more tax accountants.

Which of the following would increase the natural rate of unemployment?

A) an increase in the number of younger, less skilled workers in the economy B) a reduction in the generosity of unemployment insurance programs C) an increase in government-sponsored programs that train unemployed workers so they can find new jobs quickly D) restrictions on the ability of unions to negotiate wage changes with companies