Identify the types of firm-specific factors that increase a firms nondiversifiable risk (systematic risk). Identify the types

Question:

Identify the types of firm-specific factors that increase a firm’s nondiversifiable risk (systematic risk). Identify the types of firm-specific factors that increase a firm’s diversifiable risk (idiosyncratic risk or nonsystematic risk). Why do models of risk-adjusted expected returns include no premia for diversifiable risk?

Expected Return
The expected return is the profit or loss an investor anticipates on an investment that has known or anticipated rates of return (RoR). It is calculated by multiplying potential outcomes by the chances of them occurring and then totaling these...