Portfolio A has a beta of 1.3 and an expected return of 21%. Portfolio B has a beta of .7 and an expected return of 17%. The risk-free rate of return is 9%. If a hedge fund manager wants to take advantage of an arbitrage opportunity, she should take a short position in portfolio and a long position in portfolio .

Dollar shave club is an ecommerce start-up that delivers razors to its subscribers by mail. by doing this, dollar shave club is using a(n) to disrupt an existing market.a. innovation ecosystem b. architectural innovation c. business model innovation d. incremental innovation

Adisadvantage of corporations is that shareholders have to pay on profits.

Firms like papa john’s, domino’s, and pizza hut sell pizza and other products that are differentiated in nature. while numerous pizza chains exist in most locations, the differentiated nature of these firms’ products permits them to charge prices above marginal cost. given these observations, is the pizza industry most likely a monopoly, perfectly competitive, monopolistically competitive, or an oligopoly industry?