Some economists conduct empirical research on the theory of the firm by measuring the degree of technical efficiency achieved by actual firms. What type of research contributions are provided by these studies?

Andrew cooper decides to become a part owner of a corporation. as a part owner, he expects to receive a profit as payment because he has assumed the risk of - serious inflation eroding the purchasing power of his investment.- being paid before the suppliers and employees are paid.- losing his home, car, and life savings.- losing the money he has invested in the corporation and not receiving profits.- the company giving all of the profits to local communities

True or flase? a. new technological developments can us adapt to depleting sources of natural resources. b. research and development funds from the government to private industry never pay off for the country as a whole; they only increase the profits of rich corporations. c. in order for fledgling industries in poor nations to thrive, they must receive protection from foreign trade. d. countries with few natural resources will always be poor. e. as long as real gdp (gross domestic product) grows at a slower rate than the population, per capita real gdp increases.

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d