You try to explain the number of IBM shares traded in the stock market per day in 2005. As an independent variable you choose the closing price of the share. This is an example of A. simultaneous causality. B. invalid inference due to a small sample size. C. sample selection bias since you should analyze more than one stock. D. a situation where homoskedasticity-only standard errors should be used since you only analyze one company.

Evaluate a real situation between two economic actors; it could be any scenario: two competing businesses, two countries in negotiations, two kids trading baseball cards, you and another person involved in an exchange or anything else. use game theory to analyze the situation and the outcome (or potential outcome). be sure to explain the incentives, benefits and risks each face.

Casey communications recently issued new common stock and used the proceeds to pay off some of its short-term notes payable. this action had no effect on the company's total assets or operating income. which of the following effects would occur as a result of this action? a. the company's current ratio increased. b. the company's times interest earned ratio decreased. c. the company's basic earning power ratio increased. d. the company's equity multiplier increased. e. the company's debt ratio increased.

Why is the type of product sold in an industry an important characteristic? a firm that can differentiate its product from that of rivals may be able to charge a higher price for a superior product. a firm that sells intangible goods is usually considered a monopoly. service industries cannot differentiate their products, which makes it easy for new firms to enter the industry. expensive products are usually sold by perfectly competitive firms.