When an economist talks about utility, she is talking about A. a company that provides electricity, water, gas, etc. B. the satisfaction, in terms of price, that a producer receives from selling his product C. the amount of one good that a person is willing to give up in order to get a unit of another good D. the satisfaction that results from the consumption of a good E. the satisfaction that results from the consumption of a good minus the price that must be paid to get the good

After copy is written, a menu designer focuses on the of menu items. prices descriptions placement sequence

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

In each of the following, what happens to the unemployment rate? does the unemployment rate give an accurate impression of what’s happening in the labor market? a. esther lost her job and begins looking for a new one. b.sam, a steelworker who has been out of work since his mill closed last year, becomes discouraged and gives up looking for work. c.dan, the sole earner in his family of 5, just lost his $90,000 job as a research scientist. immediately, he takes a part-time job at starbucks until he can find another job in his field.