If a firm experiences diminishing marginal productivity of labor, the total-cost curve gets flatter as the quantity of output increases

You are a financial advisor and a client tells you he is concerned about the amount of risk in his portfolio. Assuming your client hasn't already done them, what two things can you suggest to reduce your client's risk? What additional information about reducing risk should you provide?

Refer to the following computer output from estimating the parameters of the nonlinear modelY = aRbScTdThe computer output from the regression analysis is: Based on the info above, the estimated value of a is

A. -0.6931 B. 2.66 C. 0.50 D. -3.67