Suppose the people of Rhodia spend $70 and save $30 for every $100 they earn. In this case, the marginal propensity to consume equals _____

According to behavioral economics, if people taking an exam were asked to guess the score they would receive, it would be most likely that

a. significantly more people would score below what they guessed than above what they guessed. b. significantly more people would score above what they guessed than below what they guessed. c. about the same number of people would score more than they guessed as scored less than they guessed. d. people's scores would be pretty close to what they guessed.

All of the following are reasonable explanations of the labor productivity speed-up in the United States except

A. labor force quality. B. technological change. C. investment spending. D. research and development.