After reading the article assigned, "A Historical Look at The Components of U.S. GDP: 1929 to 2011", think about the following questions.

1) What happened to consumer spending, government spending and business spending during WWII? And why?

2) Recall the three approaches we have done in class for calculating GDP. Which approach is used (implicitly) in this article to measure US GDP?

3) According to the author, what is the most efficient way if the US government try to stimulate the economy?

4) Recent data tell us that consumer spending slowed down as 2019 ended. Is that true, according to your experience? How changes of consumer spending would affect US GDP?