We consider the problem of maximizing expected utility for a power investor who can allocate his wealth in a stock, a defaultable security, and a money market account. The dynamics of these security prices are governed by geometric Brownian motions modulated by a hidden continuous time finite...

Model selection methods and nonparametric estimation of Levy densities are presented. The estimation relies on the properties of Levy processes for small time spans, on the nature of the jumps of the process, and on methods of estimation for spatial Poisson processes. Given a linear space S of...

Accounting for about 20% of U.S. total cotton exports in recent years, the Mexican market has become a key destination for U.S. cotton production. Simultaneously, the U.S. market is critical for the Mexican textile/clothing sector absorbing almost 50% of its total output. This strong North...

The textile and clothing trade agreements signed by the U.S. may bring about important adjustments in the international textile and cotton markets affecting trade flows between the US and Mexico. Mexico is the largest importer of U.S. cotton while the US market is critical for the Mexican...