Les réformes de la fiscalité directe dans les pays en développement se sont attachées à simplifier et à accroître la base d’imposition des impôts sur les sociétés. L’introduction d’impôt synthétique assis sur les facteurs de production et visant les entreprises informelles a...

La question posée par ce papier est la suivante : dans quelle mesure est-il souhaitable de taxer le secteur informel ? Un modèle théorique de taxation optimale permet d’abord de fournir une réponse analytique à cette question. Une version empirique du modèle permet ensuite d’estimer...

Many fiscal reforms in LDC’s have relied on the introduction of a presumptive tax. Aims were to simplify the tax system and to enhance the fiscal base by introducing previously informal enterprises. Theoretical qualities of positive incidence and of redistribution effects have been shown, but...

Many fiscal reforms in LDC’s have relied on the introduction of a presumptive tax. Aims were to simplify the tax system and to enhance the fiscal base by introducing previously informal enterprises. Theoretical qualities of positive incidence and of redistribution effects have been shown, but...

Since de Soto’s work, the entrepreneur’s choice to enter or not the formal sector is usually compared to a tax evasion behaviour. This characterisation seems to be weakened by many recent surveys where it appears that fiscal rules are generally unknown by managers. This article tries to...

Since the beginning of the 80’s, the developing countries have been forced to launch a fiscal reform. Most African countries are currently right in the middle of this reform process. This reform has two objectives: first, to increase fiscal pressure; second, to substitute domestic taxes to...

Tariff harmonization in the UEMOA (WAMU) at the beginning of 2000 will lead to an increase of tariffs in Benin. Based on a CGE model, this paper simulates the impact of this reform on Benin. We focus our model on the cross-border trade between Benin and Nigeria. We consider that cross-border...

Since the beginning of the 80’s, the developing countries have been forced to launch a fiscal reform. Most African countries are currently right in the middle of this reform process. This reform has two objectives : first, to increase fiscal pressure; second, to substitute domestic taxes to...