Let x1 represent a typical good (i. e., consumers prefer more of good x1 to less). Let x2 represent a second good in a two-good world. Both goods have continuous indifference curves and income, m, is greater than $0. Under which of the following situations would consumers spend all of their income on just x1? a. X1 and x2 are perfect complements.
b. The consumer has Cobb-Douglas preferences, and p2 > p1.
c. xi and x2 are perfect substitutes at a 1-to-1 ratio, and p2 > p1.
d. x2 is a bad, meaning less is preferred to more.
e. x2 is a neutral good.

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

In june 2009, at the trough of the great recession, the bureau of labor statistics announced that of all adult americans, 140,196,000 were employed, 14,729,000 were unemployed and 80,729,000 were not in the labor force. use this information to calculate: a. the adult population b. the labor force c. the labor-force participation rate d. the unemployment rate

Corrective action must be taken for a project when (a) actual progress to the planned progress shows the progress is ahead of schedule. (b) the technical specifications have been met. (c) the actual cost of the activities is less than the funds received for the work completed. (d) the actual progress is less than the planned progress.