Three Propositions of the Arbitrage Pricing Theory Finance Essay
Arbitrage opportunity arises if an investor can construct a zero investment portfolio with a zero profit, in other words, ability to make profit without any risk. Arbitrage Pricing Theory based on three main propositions. First, Security returns can be described by a factor model. Second, idiosyncratic risk can be diversified away. Third, Arbitrage opportunities are eventually diversified away. A “This theory predicts a relationship between the returns of aA portfolio and the returns of a single asset through a linear […]