Rationing a product by coupons when recipients are allowed to sell them will cause
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Which statement describes a monopoly? many firms produce identical products with no control over the market price. many firms produce differentiated products with control over market price. a single firm produces a product with no close substitutes and control over the market price. a single firm produces a product with many close substitutes and limited control over the market price.

At a young age, ebony's coaches were confident she had the potential to be a world-class swimmer with a future coaching career. after four years on an athletic scholarship and olympic experience under her belt, she chose a different path. with her savings and personal connections, she rented a corner building in a bustling san francisco neighborhood and pursued her dream: a surf shop business. ebony's dream was rooted in which basic right of free-market capitalism?

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