When interspecific interactions lead to competitive exclusion, the weaker competitor is forced to retreat to a more restricted niche (its realized niche than it otherwise would inhabit in the absence of the competition (its fundamental niche. this is what happens between balanus and chthamalus?

Suppose that kenji, an economist from an am talk radio program, and lucia, an economist from a school of industrial relations, are arguing over health insurance. the following dialogue shows an excerpt from their debate: lucia: a popular topic for debate among politicians as well as economists is the idea of providing government assistance for health benefits. kenji: i think it is oppressive for the government to tax people who take care of themselves in order to pay for health insurance for those who are obese. lucia: i disagree. i think government funding of health insurance is useful to ensure basic fairness. the disagreement between these economists is most likely due to . despite their differences, with which proposition are two economists chosen at random most likely to agree? lawyers make up an excessive percentage of elected officials. minimum wage laws do more to harm low-skilled workers than them. tariffs and import quotas generally reduce economic welfare.

< back to assignment attempts: 1 1 keep the highest: 1 / 2 2. determining opportunity cost juanita is deciding whether to buy a suit that she wants, as well as where to buy it. three stores carry the same suit, but it is more convenient for juanita to get to some stores than others. for example, she can go to her local store, located 15 minutes away from where she works, and pay a marked-up price of $102 for the suit: store travel time each way price of a suit (minutes) (dollars per suit) local department store 15 102 across town 30 88 neighboring city 60 65 juanita makes $42 an hour at work. she has to take time off work to purchase her suit, so each hour away from work costs her $42 in lost income. assume that returning to work takes juanita the same amount of time as getting to a store and that it takes her 30 minutes to shop. as you answer the following questions, ignore the cost of gasoline and depreciation of her car when traveling. complete the following table by computing the opportunity cost of juanita's time and the total cost of shopping at each location. store opportunity cost of time price of a suit total cost (dollars) (dollars per suit) (dollars) local department store 102 across town 88 neighboring city 65 assume that juanita takes opportunity costs and the price of the suit into consideration when she shops. juanita will minimize the cost of the suit if she buys it from the . grade it now save & continue continue without saving

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.