An upward shift of the planned expenditure curve resulting from a decrease in the price level corresponds to

Which graph shows the impact of scientists developing a more powerful fertilizer?

A) Figure A B) Figure B C) Figure C D) Figure D

Arnold Harberger was the first economist to estimate the loss of economic efficiency due to market power. Harberger found that

A) the loss of economic efficiency in the U.S. economy due to market power was less than 1 percent of the value of production. B) because of the increase in the average size of firms since World War II, the loss of economic efficiency has been relatively large, about 10 percent of the value of total production in the United States. C) although the number of monopolies was small, the large number of other non-competitive firms in the United States resulted in a large loss of economic efficiency, about 20 percent of the value of total production. D) the loss of economic efficiency in the U.S. economy due to market power was small around 1973, about 1 percent of the value of production, but has since grown to about 10 percent.