A network externality is the effect that an additional user of a good or participant in an activity has on the value of that good or activity for others. a direct effect on an economic decision maker. an indirect effect on an economic decision maker. an uncompensated effect on someone other than the person who caused it.

Compare the sources of consumer credit(there's not just one answer)1. consumers use a prearranged loan using special checks2. consumers use cards with no interest and non -revolving balances3. consumers pay off debt and credit is automatically renewed4. consumers take out a loan with a repayment date and have a specific purposea. travel and entertainment creditb. revolving check creditc. closed-end creditd. revolving credit

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.

Rate of return douglas keel, a financial analyst for orange industries, wishes to estimate the rate of return for two similar-risk investments, x and y. douglas's research indicates that the immediate past returns will serve as reasonable estimates of future returns. a year earlier, investment x had a market value of $27 comma 000; and investment y had a market value of $46 comma 000. during the year, investment x generated cash flow of $2 comma 025 and investment y generated cash flow of $ 6 comma 770. the current market values of investments x and y are $28 comma 582 and $46 comma 000, respectively. a. calculate the expected rate of return on investments x and y using the most recent year's data. b. assuming that the two investments are equally risky, which one should douglas recommend? why?