There is, however, a small fraction of households who do participate in the equity market and hence bear a great amount of aggregate risk, which in this article results in a high market price of risk
. In equilibrium, those households demand high risk compensation.
where [PHI] denotes the standard normal cumulative distribution function and the parameter [alpha], also called market price of risk
, is a direct extension of the Sharpe ratio, which can be calculated by solving
The estimated market price of risk
, [lambda], associated with the first three portfolios is 2.707, with a standard error of only 0.859.
Introducing the market price of risk
[theta] and assuming that
The market price of risk
[??] is -4.65 with a t-statistic of 2.07.
Weron, "Market price of risk
implied by Asian-style electricity options and futures," Energy Economics, vol.
In contrast, recent research on monetary policy transmission channels suggests a higher interest rate increases the market price of risk
and induces financial intermediaries to shrink their balance sheets (Adrian and Shin).
(8) The financial tools used to determine the market price of risk
implied in hedging debt and commodities form the basis for valuing an EPA clause.
We show that no-arbitrage arguments restrict the amount of return that investors demand in compensation for bearing a unit of risk (the so-called market price of risk
) to be identical across the cross section of bonds.
Jagannathan and Wang (1996) assume the CAPM holds conditional on the information set available at a particular time, but that betas and the market price of risk
vary over time.