The approach economists use to analyze competition among oligopolists is called

Structural unemployment is the result of

A) technological change or foreign competition. B) normal labor market turnover. C) a slowdown in the rate of economic expansion. D) irresponsible workers with poor work habits. E) changing weather patterns through the year.

There are two coal-burning electrical utilities-one in tiny, rural Moscow, Idaho, and another in metropolitan Detroit, Michigan-and each produces the same amount of pollution per unit of output. If a permit tax is going to be used to force these firms to internalize pollution costs, the tax levied should be

A. higher in Detroit than in Moscow. B. less than zero in each area. C. the same in each city. D. higher in Moscow than in Detroit.