Macroeconomics

 It once took 90 percent of our population to grow our food.  It now takes only 3 percent of the population to grow our food. Which of the following statements is true?Question 2 In the short run, which of the following is not correct?Question 3 Adam Smith’s book The Wealth of Nations was published inQuestion 4 Laws that restrict the smoking of cigarettes in public places are examples of government intervention that is intended to reduceQuestion 5 Which of these activities will most likely result in an external benefit?Question 6 Almost all variation in living standards is attributable to differences in countries’Question 7 In communism, central planners decide which of the following?Question 8 Prior to the collapse of communism, communist countries worked on the premise that economic well-being could be best attained byQuestion 9 An increase in the overall level of prices in an economy is referred to asQuestion 10 A friend of yours asks you why market prices are better than government-determined prices. Because you understand economic principles, you say that market-determined prices are better because they generally reflectQuestion 11 For most students, the largest single cost of a college education isQuestion 12 Which of the following examples does not illustrate the principle represented by the adage, “There is no such thing as a free lunch”?Question 13 TradeQuestion 14 Irregular fluctuations in economic activity are known as the Question 15 Suppose that the Federal Reserve Bank announces that it will be making a change to a key interest rate to increase the money supply.  This is likely because