A firm faces the demand curve: P = 800 - 25Q. What is the firm’s revenue maximizing price?

Show that MR will be less than AR for any positive level of Q. Why is that? What is the quantity level that maximizes total revenue? What is the price?

Austin is a dot-com entrepreneur who has established a Web site at which people can design and buy awatch. Austin pays $900 a month for a Web server and Internet connection. The watches that customers design are made to order by another firm, and Austin pays this firm $120 a watch. Austin has no other costs. The table shows the demand schedule for Austin's watches. Austin is making an economic profit. In the long run, the demand for Austin's watches OA. decreases; incurs an economic loss OB. increases; makes zero economic profit C. increases, increases his economic profit D. decreases; makes zero economic profit OE. decreases; shuts down and in long-run equilibrium, Austin MIER Price (dollars per watch) 200 160 120 80 40 0 Quantity (watches per month) 0 40 80 120 160 200

e. Please describe the effect on quantity and price when firms have an incentive to exit the market. (Hint: the number does not matter; just clarify how quantity and price change.) Price 12 10 8 6 4 2 ○ 20 20 40 60 MC ATC 80 AVC Demand curve 100 Quantity (beach balls per day)

The figure below depicts the market supply and demand for the perfectly competitive rollerblade industry. S Price per pair of Rollerblades 1,140 070 50 150 Number of pairs of Rollerblades per week Based on the figure above, if the current quantity demanded of rollerblades is 150 per week, you accurately predict that in the short run, Q Select one: a. price and quantity supplied will increase and quantity demanded will decrease. b. price and quantity supplied will decrease and quantity demanded will increase. c. price, quantity supplied and quantity demanded will increase. d. price, quantity supplied and quantity demanded will decrease.

Use the data from the following demand schedule to answer the questions that follow. Price (P) (Dollars) Quantity Demanded (Q) Total Revenue (TR) (Dollars) Marginal Revenue (MR) (Dollars) 24.00 0 0.00 21.60 21.60 1 21.60 16.80 19.20 2 38.40 12.00 16.80 3 50.40 7.20 14.40 4 57.60 2.40 12.00 5 60.00 -2.40 9.60 6 57.60 -7.20 7.20 7 50.40 -12.00 4.80 8 38.40 -16.80 2.40 9 21.60 -21.60 0.00 10 0.00 Make the unrealistic assumption that production is costless for the monopolist in this question. The monopolist will charge a price of $ for the monopolist. per unit and sell units. This will yield an economic profit of $ Now assume the marginal cost is above zero and is equal to the marginal revenue of the fourth unit. The monopolist will now charge monopolist will now earn price and produce when production was costless. In turn, the economic profit compared to when production was costless. Grade It Now Save & Continue

Answer the question based on the following graph. Costs and revenue per case 22 6432 16 $16 $12 $13 14 13 12 $14 22 24 30 38 MC MR ATC Demand What is the profit maximizing price for this firm? Quantity (cases)

Suppose that the jackfruit industry is initially operating in long-run equilibrium at a price level of $5 per pound of jackfruit and quantity of 75 million pounds per year. Suppose a top medical journal publishes research that animal-alternative protein sources such as jackfruit could decrease your expected lifespan by 5 years. The publication is expected to cause consumers to demand jackfruit at every price. In the short run, firms will respond by Shift the demand curve, the supply curve, or both on the following graph to illustrate these short-run effects of the publication. 2 1 10 9 8 Supply Demand 0 0 + 15 30 45 60 75 90 105 120 135 150 QUANTITY (Millions of pounds) In the long run, some firms will respond by + 1 } Demand Supply until Shift the demand curve, the supply curve, or both on the following graph to illustrate both the short-run effects of the publication and the new long- run equilibrium after firms and consumers finish adjusting to the news. 2 1 10 9 Supply Demand B…

Sleek Sneakers Co. is one of many firms in the market for shoes. Show the effect that positive profits has on the demand curve faced by Sleek in the long run. Price Quantity Demand 中 Demand ?

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