Sam is skilled at making both necklaces and earrings. Sam has no preference between making necklaces or earrings since he earns the same amount from the two activities. If the selling price of earrings decreases from $40 to $20, then Sam's opportunity cost of making necklaces and making necklaces is now profitable than making earrings. Suppose that the necklaces market consists of several suppliers like Sam who are skilled at making both necklaces and earrings. Which of the following is likely to happen to the supply curve of necklaces when the price of a earrings decreases? A. It does not change
B. It shifts to the left
C. It shifts to the right

Which economic indicators are used to measure the global economy? check all that apply. a. purchasing power parity b. trade volumes c. spending power parity d. labor market data e. gross domestic product f. trade deficits and surpluses

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%.

What type of negotiating strategy requires the supplier to open its books to the purchasers? a. competitive biddingb. cost-based price modelc. price-based modeld. market-based price modele. transparent negotiations