Ngobo, Paul-Valentin; Stéphany, Eric - In: Revue Finance Contrôle Stratégie 4 (2001) 1, pp. 89-121
The question of what drives firm profitability has been intriguing re-searchers for some time. At the heart of the debate lies the relative importance of the industry structure, corporate strategy, and firm heterogeneity on firm performance. The current paper reexamines this issue using the data...