A procedure in which two groups are compared based on whether they were part of an initially specified random sample subjected to an experimental protocol is called
A. difference-in-differences.
B. regression discontinuity.
C. causality.
D. intention to treat.
Answer: D
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Outsourcing refers to the process in which: a. a firm purchases service from another firm in another country. b. a firm hires laborers from a foreign market. c. the government of a country works toward providing social security and other rights to migrant workers. d. a firm purchases service from another firm
e. workers of a particular country seek employment in a firm of a foreign country.
There are generally, in most areas, a large number of qualified physicians whose services are highly personalized. In addition to price, factors such as age, sex, location, and personality influence the choice of physician. Thus, the market is best described as
A. perfectly competitive. B. a differentiated oligopoly. C. a monopoly. D. monopolistically competitive.
Lowincomesville is a poor town. The mayor has decided to impose a law to cut all rental rates on apartments in half and to fix them at this level. Will this help the poor? Why or why not? Be sure to distinguish between the short run and the long run
In markets where the government imposes an excise tax on unit sales, it also has a tendency to dabble with restrictions on advertising (for example, cigarettes and hard liquor). Do potential (or actual) restrictions on advertising in these markets serve the interest of a government that is interested in maximizing its tax revenue from the sale of these products? Explain your answer