bounded variation and that a superhedge is possible if upper bounds on the volatility of the relevant processes are available … this choice on the cost process is analyzed. Referring to bond markets, a thorough study of the implications of volatility … mismatching is made and explicit results are stated for a broad range of volatility scenarios. …

change est expliquée par le niveau des opérations `a l’international ainsi que par des variables que la théorie considère …