a. Over the last 60 years, what expenditure category has had the largest relative weight on U. S. GDP? And the smallest? b. How did World War II (1939-1945) affect the composition of GDP according to the expenditure approach? Why would that be so? c. What does it mean, in economic terms, that the ratio of net exports to overall GDP turned from positive to negative sometime in the mid-1970s? d. Compare the evolution of gross private domestic investment and of government consumption expenditures and gross investment during the 2007-2009 recession. Do they move in the same, or in opposite directions? Why would that be so?

If you want to compare two different investments, what should you calculate

Blue spruce corp. has the following transactions during august of the current year. aug. 1 issues shares of common stock to investors in exchange for $10,170. 4 pays insurance in advance for 3 months, $1,720. 16 receives $710 from clients for services rendered. 27 pays the secretary $740 salary. indicate the basic analysis and the debit-credit analysis.

Label each of the following statements true, false, or uncertain. explain your choice carefully. a. workers benefit equally from the process of creative destruction. b. in the past two decades, the real wages of low-skill u.s. workers have declined relative to the real wages of high-skill workers. c. technological progress leads to a decrease in employment if, and only if, the increase in output is smaller than the increase in productivity. d. the apparent decrease in the natural rate of unemployment in the united states in the second-half of the 1990s can be explained by the fact that productivity growth was unexpectedly high during that period.