If the four-firm concentration ratio for industry X is 70: Group of answer choices the industry is oligopoly. the industry is monopolistically competitive. the four largest firms account for 20 percent of total sales. each of the four largest firms accounts for 20 percent of total sales.

You are an employee of an u.s. firm that produces personal computers in thailand and then exports them to the united states and other countries for sale. the personal computers were originally produced in thailand to take advantage of relatively low labor costs and a skilled workforce. other possible locations considered at that time were malaysia and hong kong. the u.s. government decides to impose punitive 100% ad valorem tariffs on imports of computers from thailand to punish the country for administrative trade barriers that restrict u.s. exports to thailand. how do you think your firm should respond? what does this tell you about the use of targeted trade barriers?

Dr. sperry, a biologist, is using excel to track growth rates of different populations of bacteria. she has a very complex formula in one cell. it begins with “round”. dr. sperry would like to see exactly how excel’s calculation reached the final rounded value that she sees in the cell. what could dr. sperry do to best understand how the calculation was made? try different formulas on her own until she reaches the value shown in excel click on the evaluate formula button in the formulas tab and then click “step in” select the cell and then look at the formula in the formula field of the ribbon remove “round” from the formula in order to see the actual value before rounding

Acompetitive market in healthcare would a. overprovide healthcare because the marginal social benefit of healthcare exceeds the marginal benefit perceived by consumers b. underprovide healthcare because it would eliminate medicare and medicaid c. underprovide healthcare because the marginal social benefit of healthcare exceeds the marginal benefit perceived by consumers d. overprovide healthcare because it would be similar to the approach used in canada