Which of the following can prevent markets from reaching efficiency? I. decreasing marginal benefit II. taxes III. quantity regulations that limit the quantity that may be produced

The major distinction between the experiments and quasi-experiments chapter and earlier chapters is the

A) frequent use of binary variables. B) type of data analyzed and the special opportunities and challenges posed when analyzing experiments and quasi-experiments. C) superiority of TSLS over OLS. D) use of heteroskedasticity-robust standard errors.

Why do political instability and insecure property rights retard economic growth?

a. Fear that private property will be confiscated substantially reduces the incentive to invest and create wealth. b. When property rights are insecure, foreign investors will be reluctant to invest in the country. c. Savings will tend to flow out of a country if individuals fear their property is insecure. d. All of the above are correct.