The Romer model suggests that there is a trade-off between ________
A) the use of resources in research and development and the productiveness of R&D
B) the rate of saving and the long-run growth of output
C) per capita output in the short-run and long-run
D) the size of the total population and the saving rate
C
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The law of diminishing returns states that as a firm increases
A) all the inputs is uses, the marginal product of each of these inputs always decreases. B) a variable input, with a given quantity of fixed inputs, the firm's marginal cost eventually decreases. C) a variable input, with a given quantity of fixed inputs, the marginal product of the variable input eventually decreases. D) a variable input, given the quantity of fixed inputs, the firm's average total cost will eventually decrease.
One year ago, Ms. Case and Mr. Bond opened a jewelry store called T & J. They invested $1,000,000 of their savings into the partnership to buy equipment and initial inventory
They rented a building for $90,000 a year, and hired two employees for an annual wage of $40,000 each. Case and Bond believed that the best alternative investment of their money would be government bonds, which could yield an annual return of 8 percent. To run the store, Case quit her previous job, at which she earned $100,000, but her former boss told her that she was welcome to return anytime. Bond kept his job with the government, but gave up 6 hours of leisure each week (for 50 weeks), the time he used to spend playing golf. Bond used to say: "I'd only give up my golf time if someone paid me $100 an hour." During the first year of operation, T & J paid $20,000 for utilities and the firm's total revenue was $350,000. The market value of T & J's equipment was $200,000 at the beginning of the year and $170,000 at the end of the year. a) What is the economic depreciation of their capital? b) What are T & J's opportunity costs? c) What is the firm's economic profit in the first year of operation?