Early in the colonization of a new habitat, a population will show shifting to as the density of the population increases

In the short-run, marginal costs are equal to the change in variable costs as output changes. ( mc = change in variable cost / change in quantity) assume that capital is fixed in the short-run. (a) start with the equation for marginal cost and derive an equation that relates marginal cost of production to the cost and productivity of labor. (b) draw a standard looking short-run marginal cost curve and use the equation you derived to explain its shape.

Why does the fed pay interest to banks? a. it is interest on money held in reserve. b. it is interest on credit available to the fed. c. it is interest on loans taken by the fed. d. it is interest on government investments.

The dollar has appreciated against the currencies of many of the u.s.'s top trading partners. what outcome could this fall in foreign price levels have on aggregate demand