A nation's capital stock was valued at $500 billion at the start of the year and $575 billion at the end. Consumption of private fixed capital in the year was $35 billion. Assuming stable prices, net investment was ________.

The shape of the _____ curve determines the impact of an aggregate demand shift on prices and output.

A. Marginal revenue B. Total cost C. Production possibilities D. Aggregate supply

The above figure shows the payoff to two firms in an industry deciding to make an investment in worker safety. The dominant strategy for each firm

A) is to do the opposite of the other firm. B) is to make the investment. C) is to not make the investment. D) does not exist.