The market shares of the top five firms in the dishware industry are 20%, 33%, 12%, 14%, and 5%. What is the four-firm concentration ratio for the dishware industry

Atax on the sellers of coffee will a. increase the price of coffee paid by buyers, increase the effective price of coffee received by sellers, and increase the equilibrium quantity of coffee. b. increase the price of coffee paid by buyers, increase the e ffective price of coffee received by sellers, and decrease the equilibrium quantity of coffee. c. increase the price of coffee paid by buyers, decrease the effective price of coffee received by sellers, and increase the equilibrium quantity of coffee. d. increa se the price of coffee paid by buyers, decrease the effective price of coffee received by sellers, and decrease the equilibrium quantity of coffee.

Consider the market for gasoline. suppose that, in a competitive market without government regulations, the equilibrium price of gasoline is $3.00 per gallon, and employees at gas stations earn $17.50 per hour. complete the following table by indicating whether each of the statements is an example of a price ceiling or a price floor and whether it results in a shortage or a surplus or has no effect on the price and quantity that prevail in the market. statement price control effect the government has instituted a legal minimum price of $3.40 per gallon for gasoline. the government prohibits gas stations from selling gasoline for more than $3.40 per gallon. due to new regulations, gas stations that would like to pay better wages in order to hire more workers are prohibited from paying more than $14.50 per hour.

The total value of your portfolio is $10,000: $3,000 of it is invested in stock a and the remainder invested in stock b. stock a has a beta of 0.8; stock b has a beta of 1.2. the risk premium on the market portfolio is 8%; the risk-free rate is 2%. additional information on stocks a and b is provided below. return in each state state probability of state stock a stock b excellent 15% 15% 5% normal 50% 9% 7% poor 35% -15% 10% what are each stock’s expected return and the standard deviation? what are the expected return and the standard deviation of your portfolio? what is the beta of your portfolio? using capm, what is the expected return on the portfolio? given your answer above, would you buy, sell, or hold the portfolio?