"the idea that the more any given resource is applied to production, the lower the marginal gain in output, until a point is reached where the additional inputs produce no additional output, is referred to as: "

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

Which of the following constitute the types of unemployment occurring at the natural rate of unemployment? a. frictional and cyclical unemployment.b. structural and frictional unemployment.c. cyclical and structural unemployment.d. frictional, structural, and cyclical unemployment.

Which of the following best explains the purpose of a strike? a. to pressure employers to increase the minimum wage. b. to make sure that producers don't make any profit. c. to get employers to submit to collective bargaining. d. to prevent employers from taking industrial action.