A contingent claims valuation model which allows to highlight the implications of program trading in spot markets for the pricing of European-style foreign currency options and for the volatility strike structure implicit in these contracts is devoloped. The curvature of the volatility strike...

Efficient pricing of American options is important. Many numerical schemes calculate their prices using Bermudan options, and the popular penalty method is equivalent to a randomized Bermudan option scheme. Outside the Black-Scholes setting, very few convergence speed results have been...

"The surge in global commodity prices of the past few years has presented a tremendous development challenge for South Asian countries. The large loss of income from the terms of trade shock has worsened macroeconomic balances, fueled rapid inflation, and hurt growth. Although commodity prices...

In 2007 and 2008 world food markets observed a significant price boom. Crop failures simultaneously occurring in some of the world's major production regions have been quoted as one factor among others for the price boom. Against this background, we analyse the stochasticity of crop yields in...