A risky asset P has expected return 15% and standard deviation 20%. The rate ofreturn on risk-free Treasury bills is 5%. Find the optimal portfolio of an investor with preferences given by: U= E(r)- σ^2

in each of the following cases:

a. borrowing to buy P on margin is possible at a rate of 5%.
b. borrowing to buy P on margin is possible at a rate of 10%.

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the correct answer is - no.

winnipeg, canada, is not further away from the equator than moscow, russia, in fact moscow is the city that is further away from the equator. moscow is on a latitude of 55.7558° north, while winnipeg is on a latitude of 49.8951° north, thus putting moscow by 5.8607° further away from the equator than winnipeg is.

the answer is "b.the increased supply will create a surplus. "

the essential thought behind price controls is straightforward - utilize the power of law to modify the equilibrium of a market. for instance, the legislature may choose that the steel business needs to survive, and in this way pass a law to set a value floor on steel. this implies all steel sold must offer at or over the floor value, which must be set over the equilibrium cost for it to have any impact. the switch could likewise happen - the administration can choose that steel is excessively costly and set a value roof underneath its equilibrium value, with the goal that all steel must be sold at or beneath that ceiling.