Long-run macroeconomic equilibrium occurs when A. output is above potential GDP. B. the aggregate demand curve intersects the short-run aggregate supply curve. C. structural and frictional unemployment equal zero. D. the aggregate demand and short-run aggregate supply curves intersect at a point on the long-run aggregate supply curve.

Alandowner and his neighbor purchased adjoining undeveloped lots. after both built homes on their respective lots, the landowner suggested to the neighbor that a common driveway be built where the two lots joined. the neighbor agreed. the landowner and the neighbor split the cost of constructing the driveway and entered into a written agreement to equally share the costs of its upkeep and maintenance. the agreement was recorded in the county recorder's office. two years later, the neighbor built a new driveway located entirely on his lot. the common driveway, which the landowner continued to use but which the neighbor no longer used, began to deteriorate. the landowner asked the neighbor for money to maintain the common driveway, but the neighbor refused to contribute. three years later, the neighbor conveyed his lot to a friend. the friend entered into possession and used only the driveway built by the neighbor. by this time, the common driveway had deteriorated badly and contained numerous potholes. the landowner asked the friend to pay half of what it would take to repair the common driveway. the friend refused. the landowner repaired the driveway and sued the friend for 50% of the cost of repairs. will the landowner prevail?

Randall's, inc. has 20,000 shares of stock outstanding with a par value of $1.00 per share. the market value is $12 per share. the balance sheet shows $42,000 in the capital in excess of par account, $20,000 in the common stock account, and $50,500 in the retained earnings account. the firm just announced a 5 percent (small) stock dividend. what will the balance in the retained earnings account be after the dividend?

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?