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单项选择题

The unemployment rate is defined as the number of unemployed as a percentage of the:

A. labor force.
B. working-age population.
C. civilian noninstitutional population.
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热门试题

单项选择题The difference between what a worker earns and what he could earn from his next best alternative employment is called:

A. economic rent.
B. opportunity cost.
C. marginal revenue product.

单项选择题The supply of a renewable resource is:

A. perfectly elastic.
B. the known stock.
C. perfectly inelastic.