I investigate the possibility of estimating expected return on a stock from a linear equation with known coefficients using only risk-neutral variance of return and reach a negative conclusion. The formula is not viable because: (i) its coefficients are indeterminate (unknown) and are not...

In imperfect capital markets, an entrepreneur has to invest substantial personal funds to start a private firm and is forced to bear large firm-specific risk. Furthermore, if the entrepreneur is risk averse, one would expect the private equity to earn a premium for idiosyncratic risk. In this...