Analyse les conséquences de l'introduction des nouvelles technologies auprès des industries, des services et des produits : entrée de nouveaux concurrents, changement des positions concurrentielles, redéfinition du métier et transformation des actifs valorisés.

Combinations of futures and options contracts on milk and feed were simulated to determine their influence on a representative dairy farm’s ability to meet cash flow requirements and reduce the variance of net income. Compared with the reference scenario of selling milk and procuring...

GARCH volatility models with fixed parameters are too restrictive for long time series due to breaks in the volatility process. Flexible alternatives are Markov-switching GARCH and change-point GARCH models. They require estimation by MCMC methods due to the path dependence problem. An unsolved...