Explain in words the Pigouvian case of negative externalities and why he claims this proves the price system in a free market can fail to achieve allocative efficiency (about 6-7 sentences). Explain how Ronald Coase proved that Pigou is wrong

After the 2008 recession, the amount of reserves in the us banking system increased. because of federal reserve actions, required reserves increased from $44 billion to $60 billion. however, banks started holding more reserves than required. by january 2009, banks were holding $900 billion in excess reserves. the federal reserve started paying interest on the excess reserves that the banks held. what possible impact will these unused reserves have on the economy?

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d

Aproject currently generates sales of $14 million, variable costs equal 50% of sales, and fixed costs are $2.8 million. the firm’s tax rate is 40%. assume all sales and expenses are cash items. (a). what are the effects on cash flow, if sales increase from $14 million to $15.4 million? (input the amount as positive value. enter your answer in dollars not in (b) what are the effects on cash flow, if variable costs increase to 60% of sales? (input the amount as positive value. enter your answers in dollars not in millions). cash flow (increase or decrease) by $