What is scarcity, and how does it affect supply and demand in the game of economics?

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

Ski powder resort ends its fiscal year on april 30. the business adjusts its accounts monthly, but closes them only at year-end (april 30). the resort's busy season is from december 1 through march 31. adrian pride, the resort's chief financial officer, the museums a close watch on lift ticket revenue and cash. the balances of these accounts at the end of each of the last five months are as follows:

Part 1: interview at least three different people you know that fall within three age ranges (25-35), (36-50), and (51-70) year of age. ask each person you interview if they have life insurance (term, whole life etc.) and health insurance. ask what factors influenced their decision to buy or not the insurance coverage? report your findings to this assignment. specify who the people were that you spoke with.\