Which statement is true? Portfolio A dominates portfolio B if: Portfolio A has a higher return that portfolio B Portfolio A has a lower volatility than portfolio B Portfolio A has a higher Sharpe ratio than portfolio B Portfolio A has either a higher expected return and a volatility at least as low as B, or a lower volatility and an expected return at least as high as B

You are at a holiday dinner with your family. your relative makes the argument that the u.s. economy is resurgent and has recovered from the great recession of 2007 – 2009. economic growth, as measured by gdp, has been increasing from one quarter to the next. you beg to differ. how would you structure your argument with your relative? hint: you should think about two things, the accuracy of gdp measures, and whether gdp should be considered a comprehensive measure of a countries well-being.

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.

Sauer food company has decided to buy a new computer system with an expected life of three years. the cost is $440,000. the company can borrow $440,000 for three years at 14 percent annual interest or for one year at 12 percent annual interest. assume interest is paid in full at the end of each year. a. how much would sauer food company save in interest over the three-year life of the computer system if the one-year loan is utilized and the loan is rolled over (reborrowed) each year at the same 12 percent rate? compare this to the 14 percent three-year loan.