The advice to "go back to school to get retrained in a different field" would be most appropriate for which of the following types of unemployment?

Cuba spends the highest percentage of GDP (18.7 percent) on education while the United States is the 38th highest spender with 5.7 percent of GDP

If spending on education is important for economic growth, which of the following statements explain why Cuba's economic growth rate is lower than the U.S. economic growth rate? (data from United Nations Human Development Programme) A) Cuba trades with many more countries than does the United States. B) Cuba doesn't offer property rights that promote innovation. C) Cuba's population is smaller than the U.S. population. D) all of the above explain why Cuba's economic growth rate is lower than the U.S. economic growth rate.

Whatever serves as a medium of exchange is: a. money

b. money, as long as it is also the best such medium of exchange available. c. money, as long as it is not also a commodity. d. money, as long as it is not also legal tender. e. not money, unless it continues to be backed by its issuing institution.