For the cost function C(Q) = 50 + 4Q + 2Q2, the total variable cost of producing 7 units of output is:

Identify some of the salient features of voting as a method of determining the majority preference

Which of the following is not true with regard to the aggregate expenditure model? a. It explains short-run business cycles

b. It explains inflation. c. It assumes that consumption spending is the primary determinant of aggregate demand. d. It includes investment, government spending, and net exports.