Suppose the herfindahl indexes for industries a, b, and c are 7,200, 5,000, and 1,500, respectively. these data imply multiple choice that market power is greatest in industry

c. that market power is greatest in industry

b. that market power is greatest in industry

a. nothing about the degree of concentration across the three industries.

You want to paint your room yellow, so you get some samples at the paint store. when you hold the sample against your white wall, it looks different from the way it looks against the green curtain. a psychologist would attribute this to perceptual constancy. visual paradoxes. contrast effects. threshold differences.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis. b)reject the null hypothesis and conclude the mean is higher than $6,000 per day. c)reject the null hypothesis and conclude the mean is lower than $6,000 per day. d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day. expert answer

Jallouk corporation has two different bonds currently outstanding. bond m has a face value of $50,000 and matures in 20 years. the bond makes no payments for the first six years, then pays $2,100 every six months over the subsequent eight years, and finally pays $2,400 every six months over the last six years. bond n also has a face value of $50,000 and a maturity of 20 years; it makes no coupon payments over the life of the bond. the required return on both these bonds is 10 percent compounded semiannually. what is the current price of bond m and bond n?