Which of the following is true of product differentiation?

product differentiation increases information asymmetry in a market.

product differentiation reduces price differentials among competing goods by informing consumers about the features of a product.

product differentiation can be based on perceived differences among products.

product differentiation is the process of determining the optimal production of various products by a multi-product firm.

firms in a perfectly competitive market practice product differentiation to attract consumers.

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.

You park your car on sixth street and walk over to the quad for lunch. while crossing wright street, you are hit by a bicyclist and knocked to the ground. you hit your head so hard you are knocked out. when you wake up, the person who hit you is gone. you incur $45,000 in medical bills. the person who hit you would be liable for $150,000 in damages if you could find them. your policy will pay:

Match each definition in column 1 with a vocabulary word from column 2." some of the entries in column 2 do not apply costs which do not change with the level of output costs which change with the level of output the change in total costs resulting from an increase in output by one unit function showing the quantities of a particular good demanded at a range of price when the quantity supplied of a good is greater than the quantity demanded when the quantity demanded for a particular good is greater than the quantity supplied the price and quantity determined in a market when the supply equals the demand when revenue exceeds costs when costs exceeds revenue output where revenue = costs