For utility maximization problems under proportional transaction costs, it has been observed that the original market with transaction costs can sometimes be replaced by a frictionless {\em shadow market} that yields the same optimal strategy and utility. However, the question of whether or not...

Including real options in firms ’ value raises numerous difficulties. Limitations concerning the relevance of option pricing models outside financial markets are the most salient, but carrying out a valuation implies other assumptions, especially on firms’ governance. In particular,...

Présentation des auteurs qui ont influencé le management. Leurs contributions sont regroupées par thème, mettant en relief les concepts et théories clés du management.