The price elasticity of demand in the United States for crude oil has been estimated to be minus −0.061 in the short run and minus −0.453 in the long run. Source: John C. B. Cooper, "Price Elasticity of Demand for Crude Oil: Estimate for 23 Countries," OPEC Review, March, 2003, pp. 1-8. The demand for crude oil

A. is price elastic in both the short and long run as there exists many substitutes for crude oil.
B. is more price elastic in the long run than in the short run because in the long run a substitute for crude oil may be found.
C. is more price inelastic in the long run than in the short run because in the short run a substitute for crude oil may be found.
D. is equally price inelastic in both the short and long run as there are not many substitutes for crude oil.

Your aunt is thinking about opening a hardware store. she estimates that it would cost $300,000 per year to rent the location and buy the stock. in addition, she would have to quit her $45,000 per year job as an accountant. a. define opportunity cost. b. what is your aunt's opportunity cost of running a hardware store for a year? if your aunt thought she could sell $350,000 worth of merchandise in a year, should she open the store? explain.

You have learned that there are many ethical concerns surrounding genetic research, and it's important to be familiar with them. for this project, you will write a persuasive essay about an ethical question in biotechnology. directions the goal of a persuasive essay is to convince people to agree with you. it is important to support your opinion with facts. a persuasive essay is not simply a description of your beliefs. be sure to organize your information, give clear examples, and build your argument carefully. read the following genetics topics below. choose a topic and then decide what side you are on. remember that there is no "right" or "wrong" side. ethical questions often have many points of view. research your topic and write a 400 word persuasive essay. topic 1: should insurance companies have the right to learn the genetic profiles of the people they insure? topic 2: should employers have the right to learn the genetic profiles of the people they hire? are there special considerations for employees in jobs in which there is a high risk to others, such as airline pilots, doctors, or bus drivers? topic 3: should scientists who identify genes and create new genetic engineering techniques have the right to patent their methods for their own profit?

Which of the following statements about brand names is true? brand names give the seller an incentive to provide consistently high-quality products and services in order to protect the reputation of the brand. brand names are always economically wasteful since they dupe consumers into buying more expensive goods and services that are no different from generic versions. it is always rational to prefer brand names over generic substitutes. read the following example and determine whether it illustrates a common critique or defense of advertising. musashi sees a commercial for a brand x clothing company that depicts the wearers of the clothes out having a good time with friends. although he doesn't particularly need new clothes, the commercial prompts him to buy a brand x t-shirt.