Assume the average annual CPI values for 2015 and 2016 were 207.3 and 215.3, respectively. What was the percent increase in the CPI between these two years?

When the U.S. dollar rises in value relative to the Mexican peso, the dollar has ________, and when the dollar falls in value, it has ________

A) grown; shrunk B) grown; shrunken C) been bullish; been bearish D) depreciated; appreciated E) appreciated; depreciated

The above figure shows the marginal social benefit and marginal social cost curves of doughnuts in the nation of Kaffenia. When the marginal social benefit of the last dozen doughnuts is equal to the marginal social cost

A) the efficient quantity is being produced and consumed. B) 200 dozen doughnuts are produced and consumed each day. C) an increase in production and consumption would increase efficiency. D) Both answers A and B are correct.