Imagine that you borrow $1,000 for one year and at the end of the year you repay the $1,000 plus $100 of interest. If the inflation rate was 7%, what was the real interest rate you paid?

Suppose two firms are trying to decide how much to budget for research and development. Once a new discovery is made, each firm benefits regardless of which firm developed the innovation. In this R&D game of chicken, the Nash equilibrium will be that

A) either both firms conduct the R&D or neither firm conducts the R&D. B) only one firm conducts the R&D but which firm conducts the R&D cannot be determined. C) both firms conduct the R&D. D) neither firm conducts the R&D.

The above figure shows the marginal private cost curve, marginal social cost curve, and marginal social benefit curve for raising goats on a common pasture

A quota to prevent the overuse of the common pasture sets the number of goats to be raised equal to ________. A) 0 goats B) 40 goats C) 50 goats D) 55 goats