Refer to the data. The Herfindahl index for this industry is:

The slope of a production possibilities curve represents:

A) the marginal cost of producing the good measured on the horizontal axis. B) the marginal cost of producing the good measured on the vertical axis. C) the opportunity cost of producing the goods. D) the ratio of the average cost of producing both goods.

Empirical evidence shows that the short-run Phillips curve was vertical during the 1950s and 1960s

Indicate whether the statement is true or false