One piece of evidence in favor of the efficiency wage model is that some sectors of the economy pay relatively high wages, whereas other sectors pay lower wages. this supports the efficiency wage model as it seems to provide evidence of what?
a. unemployment is constant across sectors. b.there are compensating differentials being paid depending on the type of work being done. c. workers voluntarily provide bonds in case they are caught shirking. d. high-wage firms take advantage of delayed-compensation contracts. e. the existence of dual labor markets.

The market for corn in country a is highly competitive. at the current market price of $5/bushel there is a shortage of 100,000 bushels of corn in this country. media reports claim that the price of corn will rise drastically in the near future. according to these reports, the neighboring country b had witnessed a similar situation recently. at the same price, the shortage in country b was also 100,000 bushels and eventually the equilibrium price in b went up to $10/bushel. both countries are known to have equal number of corn producers and the market supply of corn is identical at all prices. this, combined with the fact that consumers in the two countries also have similar tastes and preferences, led the media to conclude that the price of corn in country a would soon be as high as $10/bushel. the new equilibrium price turns out to be below $10/bushel, what inferences can be drawn?

After graduation, you plan to work for dynamo corporation for 12 years and then start your own business. you expect to save and deposit $7,500 a year for the first 6 years (t = 1 through t = 6) and $15,000 annually for the following 6 years (t = 7 through t = 12). the first deposit will be made a year from today. in addition, your grandfather just gave you a $32,500 graduation gift which you will deposit immediately (t = 0). if the account earns 9% compounded annually, how much will you have when you start your business 12 years from now?

Stosch company's balance sheet reported assets of $112,000, liabilities of $29,000 and common stock of $26,000 as of december 31, year 1. if retained earnings on the balance sheet as of december 31, year 2, amount to $74,000 and stosch paid a $28,000 dividend during year 2, then the amount of net income for year 2 was which of the following? a)$23,000 b) $35,000 c) $12,000 d)$42,000