Suppose that the federal administration plans to fight a deep, ongoing recession with a nationwide plan of increasing infrastructure. Congress approves it and adjusts the budget accordingly to put the plan in motion immediately. Aggregate demand spending components include consumption (C), investment (I), government (G), and exports (X) minus imports (M). Analyze what the aggregate demand and aggregate supply model predicts about the infrastructure plan to answer three questions. Does the level of G increase ( ), decrease (-), or stay constant (0)

What cylinder head operation is the technician performing in this figure?

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Arnold rossiter is a 40-year-old employee of the barrington company who will retire at age 60 and expects to live to age 75. the firm has promised a retirement income of $20,000 at the end of each year following retirement until death. the firm's pension fund is expected to earn 7 percent annually on its assets and the firm uses 7% to discount pension benefits. what is barrington's annual pension contribution to the nearest dollar for mr. rossiter? (assume certainty and end-of-year cash flows.)