Nancy and bill are auto mechanics. nancy takes 2 hours to replace a clutch and 4 hours to replace a set of brakes. bill takes 6 hours to replace a clutch and 4 hours to replace a set of brakes. state whether anyone has an absolute advantage at either task and, for each task, identify who has a comparative advantage.

Which of the following best describes vertical integration? a. produce goods or services previously purchasedb. develop the ability to produce products that complement the original productc. develop the ability to produce the specified good more efficiently than befored. build long term partnerships with a few supplierse. sell products to a supplier or a distributor

3. saving two consumers, larry and jeff, have utility functions defined over the two periods of their lives: middle age (period zero) and retirement (period 1). they have the same income in period 0 of m dollars and they will not earn income in period 1. the interest rate they face is r. larry’s and jeff’s utility functions are as follow. = 0.5 + 0.5 and = 0.5 + 0.5 for each person is between zero and one and represents each consumer’s temporal discount econ 340: intermediate microeconomics. ben van kammen: purdue university. rate. a. write the budget constraint that applies to both jeff and larry in terms of consumption in each period and ), interest rate, and m. b. what is larry’s and what is jeff’s marginal rate of intertemporal substitution? c. what is the slope of the budget constraint? d. write each consumer’s condition for lifetime utility maximization. e. re-arrange the conditions from part (d) to solve for the ratio, . f. if > which consumer will save more of his middle age income? g. if > 1 1+ , in which period will larry consume more: = 0 or = 1?

Cesar had a part-time job last year. he worked every week for the year and made $23 an hour. he worked 28 hours each week. cesar saved what was left of his earnings after paying all of his monthly expenses. at the end of the year, he had saved $3,360. what were cesar’s average monthly expenses, rounded to the nearest dollar?