Which of the following statements is false? a) beta differs from volatility b) the risk premium investors can earn by holding the market portfolio is the difference between the market portfolio's expected return and the risk-free interest rate. c) stocks in cyclical industries, in which revenues tend to vary greatly over the business cycle, are likely to be more sensitive to systematic risk and have higher betas than stocks in less sensitive industries. d) if we assume that the market portfolio (or the s& p 500) is efficient, then changes in the value of the market portfolio represent unsystematic shocks to the economy

Bella is the new president of first edition, a group dedicated to the promotion of english literacy in first-generation immigrant communities. in the two years that have passed since bella took the position, the organization's members have become more passionate about their mission and intensified their activities—they put in long hours teaching children to read, promoting the program to parents, and soliciting donations. bella's strength is in her ability to inspire others and make them believe that they are part of something greater than themselves. which term best captures bella's leadership style? a. transactional b. transformational c. legitimate authority d. absolute authority

Email viruses are typically launched by people who modify header information to hide their identity. brightmail's enrique salem says that in the future, your email reader will authenticate the sender before putting hte message in your inbox. that way, you will know the source of all the emails you read. alan nugent of novell says, "i'm kind of a fan of eliminating anonymity if that is the price for security." will eliminating anonymity make computers more secure?

Consider the market for gasoline. suppose that, in a competitive market without government regulations, the equilibrium price of gasoline is $3.00 per gallon, and employees at gas stations earn $17.50 per hour. complete the following table by indicating whether each of the statements is an example of a price ceiling or a price floor and whether it results in a shortage or a surplus or has no effect on the price and quantity that prevail in the market. statement price control effect the government has instituted a legal minimum price of $3.40 per gallon for gasoline. the government prohibits gas stations from selling gasoline for more than $3.40 per gallon. due to new regulations, gas stations that would like to pay better wages in order to hire more workers are prohibited from paying more than $14.50 per hour.