Which of the following statements are true? Explain. a. A lower allocation to the risky portfolio reduces the Sharpe (reward-to-volatility) ratio. b. The higher the borrowing rate, the lower the Sharpe ratios of levered portfolios. c. With a fixed risk-free rate, doubling the expected return and standard deviation of the risky portfolio will double the Sharpe ratio. d. Holding constant the risk premium of the risky portfolio, a higher risk-free rate will increase the Sharpe ratio of investments with a positive allocation to the risky asset.

Select the statement that indicates tina's company is a partnership. tina jones is a dancer specializing in latin dance styles. she always wanted to have her own dance studio where she could teach dancing to young and old alike. in 2006, she opened her first dance studio, electric diva, in madison triangle. it was a great choice as a business location because it's well-connected by highways to most places in the city. she leased the space for three years. her initial investment included a good sound system, cheerful interior design, and strong flooring. to raise capital for the business, tina turned to her brother-in-law, philip. philip made half the financial investment. he manages the accounts and social media needs of the business. he has a 30% share in trisha's business. together, they expanded the business to three dance studios in the city and plan to open franchises in other cities.

Consider how health insurance affects the quantity of health care services performed. suppose that the typical medical procedure has a cost of $160, yet a person with health insurance pays only $40 out of pocket. her insurance company pays the remaining $120. (the insurance company recoups the $120 through premiums, but the premium a person pays does not depend on how many procedures that person chooses to undergo.) consider the following demand curve in the market for medical care. use the black point (plus symbol) to indicate the quantity of procedures demanded if each procedure has a price of $160. then use the grey point (star symbol) to indicate the quantity of procedures demanded if each procedure has a price of $40. q d at p=$160 q d at p=$40 0 10 20 30 40 50 60 70 80 90 100 200 180 160 140 120 100 80 60 40 20 0 price of medical procedures quantity of medical procedures demand if the cost of each procedure to society is truly $160, the quantity that maximizes total surplus is procedures. economists often blame the health insurance system for excessive use of medical care. given your analysis, the use of care might be viewed as excessive because consumers get procedures whose value is than the cost of producing them.

Which law would encourage more people to become homeowners but not encourage risky loans that could end in foreclosure? options: offering first time homebuyers tax-free accounts to save for down payments requiring all mortgages to be more affordable, interest-only loans outlawing home inspections and appraisals by mortgage companies limiting rent increases to less than 2% a year