Suppose that three firms make up the entire wig manufacturing industry. One has a 40% market share, and the other two have a 30% market share each. The Herfindahl index of this industry is . A new firm, Mane Attraction, enters the wig manufacturing industry and immediately captures a 10% share of the market. This would cause the Herfindahl index for the industry to . The largest possible value of the Herfindahl index is 10,000 because: An index of 10,000 corresponds to 100 firms with a 1% market share each An index of 10,000 corresponds to a monopoly firm with 100% market share An industry with an index higher than 10,000 is automatically regulated by the Justice Department

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† your mansion has 150 light fittings and 3000 sq ft of uninsulated exterior wall. to impress your friends, you would like to spend as much as possible, but save no more than $750 per year in energy costs (you are proud of your large utility bills). how many compact fluorescent light bulbs and how many square feet of insulation should you purchase? how much will you save in energy costs per year? (if an answer does not exist, enter dne.)

Cash flow is often a problem for small businesses. how can an entrepreneur increase cash flow? a) locate lower-priced suppliers. b) forego sending in estimated tax payments to the irs c) shorten the terms on a bank loan to pay it off more quickly d) sell more low-margin items.

At present, the united states has an embargo against north korea because a. the two countries have extremely poor political relations. b. north korea will not adopt a capitalist government. c. north korean products are too difficult to use. d. north korea has an embargo on american products. e. products from north korea are in higher demand than american-made products.