What are some of the problems the text mentioned might negatively alter the balance of a free market system?

Suppose you hold a portfolio consisting of a $10,000 investment in each of 8 different common stocks. the portfolio's beta is 1.25. now suppose you decided to sell one of your stocks that has a beta of 1.00 and to use the proceeds to buy a replacement stock with a beta of 1.55. what would the portfolio's new beta be? do not round your intermediate calculations.

Consumers who participate in the sharing economy seem willing to interact with total strangers. despite safety and privacy concerns, what do you think is the long-term outlook for this change in the way we think about interacting with people whom we don't know? how can businesses to diminish worries some people may have about these practices?

John and sue smith are a married couple who file a joint income tax return. they have two children, so they claim a total of 4 exemptions (based on calendar year 2015 tax law, a personal exemption of $4,000 per person or dependent can be deducted from total income). in addition, they have legitimate itemized deductions totaling $25,750. their total income from wages is $237,500. what is the couple’s taxable income? $195,750 $221,500 $229,500 $205,750