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...

This study complements OECD analyses on commodity price volatility by providing quantitative assessments of the impact of two structural changes that a number of market observers have identified as contributing to world wheat market price volatility. The factors examined relate to changes in...