Risk is an important concept affecting security prices and rates of return. Risk is the chance that some unfavorable event will occur, and there is a trade-off between risk and return. The higher an investment’s risk, the the return required to induce investors to purchase the asset. This relationship between risk and return indicates that investors are risk ; investors dislike risk and require rates of return as an inducement to buy riskier securities. A represents the additional compensation investors require for bearing risk; it is the difference between the expected rate of return on a given risky asset and that on a less risky asset. An asset’s risk can be considered in two ways: On a stand-alone basis and in a portfolio context.

10. problems and applications q10 a market is described by the following supply-and-demand curves: qsqs = = 2p2p qdqd = = 300â’p300â’p the equilibrium price is $ and the equilibrium quantity is . suppose the government imposes a price ceiling of $90. this price ceiling is , and the market price will be $ . the quantity supplied will be , and the quantity demanded will be . therefore, a price ceiling of $90 will result in . suppose the government imposes a price floor of $90. this price floor is , and the market price will be $ . the quantity supplied will be and the quantity demanded will be . therefore, a price floor of $90 will result in . instead of a price control, the government levies a tax on producers of $30. as a result, the new supply curve is: qsqs = = 2(pâ’30)2pâ’30 with this tax, the market price will be $ , the quantity supplied will be , and the quantity demanded will be . the passage of such tax will result in .