A natural monopoly a. is an example of a government-created barrier. b. exists when a single seller experiences lower average total costs than any potential competitor. c. exists when many sellers experience lower average total costs than potential competitors do. d. exists when a firm has sole ownership of a natural resource. e. is needed to make a profit in the long run.

Adistinguishing feature of ecological economics is the concept of cost-benefit analysis steady-state economies that, like natural systems, neither grow nor shrink environmental damage and also environmental benefits are external greenwashing to increase public acceptance of products the only healthy economy is one that is growing

If the ceo of a large, diversified, firm were filling out a fitness report on a division manager (i. e., "grading" the manager), which of the following situations would be likely to cause the manager to receive a better grade? in all cases, assume that other things are held constant. a. the division's basic earning power ratio is above the average of other firms in its industry. b. the division's total assets turnover ratio is below the average for other firms in its industry. c. the division's debt ratio is above the average for other firms in the industry. d. the division's inventory turnover is 6, whereas the average for its competitors is 8.e. the division's dso (days' sales outstanding) is 40, whereas the average for its competitors is 30.

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?