"an economy produces apples (in kilos) and computers (in units). the quantities of apples in years 2008, 2009 and 2010 are 500, 500 and 550, respectively. the quantities of computers in those same years are 5, 5 and 6, respectively. the prices of a kilo of apples (in dollars) in years 2008, 2009 and 2010 are 1, 2 and 3, respectively. the prices of computers (in dollars) for those same years are 900, 1000 and 1000. the real gdp in 2010 prices for year 2008 is"

Which of the following statements is (are) true? i. free entry to a perfectly competitive industry results in the industry's firms earning zero economic profit in the long run, except for the most efficient producers, who may earn economic rent. ii. in a perfectly competitive market, long-run equilibrium is characterized by lmc < p < latc. iii. if a competitive industry is in long-run equilibrium, a decrease in demand causes firms to earn negative profit because the market price will fall below average total cost.

Wang distributors has an annual demand for an airport metal detector of 1 comma 350 units. the cost of a typical detector to wang is $400. carrying cost is estimated to be 19% of the unit cost, and the ordering cost is $24 per order. if ping wang, the owner, orders in quantities of 300 or more, he can get a 10% discount on the cost of the detectors. should wang take the quantity discount? \

Amanufacturing firm is considering overhauling the existing compensation strategy. currently every front line employee who works on the assembly line earns the same hourly wage. ideally, management would like to institute a new pay system that involves pay-for-performance. which of the following recommendations is both consistent with scientific management's general emphases and generally good advice for management of this firma. the firm should adopt a differential pay system with one pay level for average performance, and a higher level for good performance. b. the firm should adopt a differential pay system, but the firm should modify it from its original design and provide many different levels of pay associated with different performance levels. c. the firm should understand worker psychology and to focus on pay as the key motivator. d. all of the abovee. none of the above