Post 9/11, air travel industry in the U.S. economy saw an increase in demand, which led to a sharp rise in employment opportunities

The common measure of wealth used in calculating the distribution of wealth includes

A) the amount an individual will not receive during retirement. B) workers' claims on private pension funds. C) financial assets. D) human capital.

The Herfindahl index measures the:

A. Size of the market share of the four largest firms in an industry B. Sum of the squared values of market shares of firms in an industry C. Increase in economic concentration resulting from a conglomerate merger D. Effect of per se violation in antitrust cases