Juan valdez, a coffee farmer in colombia, sells his coffee to cafe emporium, a u. s. firm which specializes in gourmet coffee blends. what must be true of this arrangement? when juan and other farmers in colombia sell their coffee beans to foreigners, they gain in the short run, but in the long run will only impoverish their nation as a whole. juan thinks he is better off with this contract, but in reality the wealthy american buyer is taking advantage of juan's naiveté. while this arrangement is good for juan, he would be even better off if the government had negotiated the contract because they could have gotten a better price for juan. all three of these statements must be true. none of these statements must be true.

By 2020, automobile market analysts expect that the demand for electric autos will increase as buyers become more familiar with the technology. however, the costs of producing electric autos may increase because of higher costs for inputs (e. g., rare earth elements), or they may decrease as the manufacturers learn better assembly methods (i. e., learning by doing). what is the expected impact of these changes on the equilibrium price and quantity for electric autos?

Labor unions have used which of the following to win passage of favorable laws such as shorter work weeks and the minimum wage? a. strikes b. collective bargaining c. lobbying d. lockouts

Rate of return, standard deviation, coefficient of variation personal finance problem mike is searching for a stock to include in his current stock portfolio. he is interested in hi-tech inc.; he has been impressed with the company's computer products and believes hi-tech is an innovative market player. however, mike realizes that any time you consider a technology stock, risk is a major concern. the rule he follows is to include only securities with a coefficient of variation of returns below 1.07. mike has obtained the following price information for the period 2015 through 2018:hi-tech stock, being growth-oriented, did not pay any dividends during these 4 years. a. calculate the rate of return for each year, 2015 through 2018, for hi-tech stock. b. assume that each year's return is equally probable and calculate the average return over this time period. c. calculate the standard deviation of returns over the past 4 years. (hint: treat this data as a sample.) d. based on b and c determine the coefficient of variation of returns for the security. e. given the calculation in d what should be mike's decision regarding the inclusion of hi-tech stock in his portfolio?