Gondor invades the neighboring kingdom of Mordor. After many years of war the two sides call a cease-fire. They ask the United Nations (UN) to send in troops to help maintain the cease-fire. This is an example of:

A)an alliance.
B)peacemaking.
C)collective security.
D)genocide.
E)peace enforcement.

If the government is required to balance the budget and the economy falls into a recession, which of the actions is a feasible policy response? cut taxes to encourage consumer spending invest in infrastructure increase government spending to stimulate the economy cut spending equal to the reduction in tax revenue what is a likely consequence of this policy? unemployment falls due to the economic stimulus. the negative consequences of the recession are magnified. consumer spending increases due to their ability to keep more of their after-tax income. there is hyperinflation due to an increase in aggregate demand.

Consider the local telephone company, a natural monopoly. the following graph shows the monthly demand curve for phone services and the company’s marginal revenue (mr), marginal cost (mc), and average total cost (atc) curves. 0 2 4 6 8 10 12 14 16 18 20 100 90 80 70 60 50 40 30 20 10 0 price (dollars per subscription) quantity (thousands of subscriptions) d mr mc atc 8, 60 suppose that the government has decided not to regulate this industry, and the firm is free to maximize profits, without constraints. complete the first row of the following table. pricing mechanism short run long-run decision quantity price profit (subscriptions) (dollars per subscription) profit maximization marginal-cost pricing average-cost pricing suppose that the government forces the monopolist to set the price equal to marginal cost. complete the second row of the previous table. suppose that the government forces the monopolist to set the price equal to average total cost. complete the third row of the previous table. under average-cost pricing, the government will raise the price of output whenever a firm’s costs increase, and lower the price whenever a firm’s costs decrease. over time, under the average-cost pricing policy, what will the local telephone company most likely do

What is the present value of the following cash flow stream at a rate of 12.0%? years: 0 1 2 3 4| | | | |cfs: $0 $1,500 $3,000 $4,500 $6,000a. $9,699b. $10,210c. $10,747d. $11,284e. $11,849