This paper examines the market price of risk for discount bond prices under an affine term structure of interest rates. The usual relation plays two roles. First, it is the definition of market price of risk and, second, it provides a no arbitrage condition for the discount bond market. Here the...

This paper considers a problem of asset pricing for case when the short-term interest rate process does not have the markovian property. In this case the price can be determined also by state variables some of that are not observable. In the same time from the practical point of view, the...