If an economy is growing at a rate of 2.5% per year, how long will it take the economy to double in size?

Transfer prices

a. are an accounting devise to allocate the costs and revenues of intermediate products across divisions b. increase the 'profits' of the profit center producing the intermediate product when they rise c. decrease the 'profits' of the profit center using the intermediate product when they rise d. all of the above

One concern over external national debt is that interest and principal payments transfer wealth overseas. The percentage of the national debt held in recent years by foreigners is approximately:

a. 5 percent. b. 10 percent. c. 20 percent. d. 30 percent. e. 50 percent.