. The use of money contributes to economic efficiency because: A. governmental direction of the production and distribution of output can be avoided by using money. B. roundabout production could not occur without the availability of money. C. it is necessary for the creation of capital goods. D. it promotes specialization by overcoming the problems with barter.

Kahn company's static budget was based on sales volume of 12,000 units. its flexible budget was based on sales volume of 14,000 units. based on this information multiple choice the sales volume variance is expected to be unfavorable. the materials cost volume variance is expected to be favorable. the labor cost volume variance is expected to be unfavorable. none of the answers is correct.

What impact might an economic downturn have on a borrower’s fixed-rate mortgage? a. it might cause a borrower’s payments to go up. b. it might cause a borrower’s payments to go down. c. it has no impact because a fixed-rate mortgage cannot change. d. it has no impact because the economy does not affect interest rates.

David consumes two things: gasoline (g) and bread (b). david's utility function is u(g, b) = 10g^0.25 b^0.75. use the lagrange technique to solve for david's optimal choices of gasoline and bread as a function of the price of gasoline, p_g, the price of bread, p_b, and his income m. with recent decrease in the price of gasoline (maybe due to external shock such as shale gas production) does david increase his consumption of gasoline? for david, how does partial differential g/partial differential p_g depend on his income m? that is, how does david's change in gasoline consumption due to an increase in the price of gasoline depend on his income level? to answer these questions, find the cross-partial derivative, |partial differential^2 g/partial differential m partial differential p_g.