Cet article évalue dans quelle mesure l’intégration économique européenne renforce ou atténue les différentiels de croissance entre les régions. En se basant sur les nouvelles théories du commerce international (Krugman et Helpman, 1985, Grossman et Helpman, 1990, 1991 et 1995,...

This paper examines the impact of the devaluation of the CFA franc in 1994 and of trade and fiscal reforms on enterprise development in Chad and Gabon. These reforms provide a natural experiment to assess the impact of trade liberalisation in countries with a small and backward manufacturing...

This article develops a simple framework to analyse the negotiation over bribe and tax payments during the tax collection process. We show that the larger the bribe a firm offers to a tax collector, the larger the tax rebate it gets. More particularly, we show that the negotiation over bribe and...

This paper investigates the negotiation over bribe and tax payments during the tax collection process in poor countries. We build a simple model where tax officials and firms bargain over bribes to let firms evade part of their taxes. Using a unique dataset on Ugandan firms we test the...

The paper investigates the conflict that arises between the government, its bureaucrats and businesses in the tax collection process. We examine the effect of fiscal policy and corruption control mechanisms on the prevalence of tax evasion and corruption behaviour, and their impact on firm...

Survey evidence shows that the main reason why .rms keep prices stable is that they are concerned about losing customers or market share. We construct a model in which .rms care about the size of their customer base. Firms and customers form long-term relationships because consumers incur costs...

In this paper we examine the usefulness of multivariate semi-parametric GARCH models for portfolio selection under a Value-at-Risk (VaR) constraint. First, we specify and estimate several alternative multivariate GARCH models for daily returns on the S&P 500 and Nasdaq indexes. Examining the...

We study the influence of the financial market on the decisions of firms in the real market. To that end, we present a model in which the shareholders’ portfolio selection of assets and the decisions of the publicly-traded firms are integrated through the market process. Financial access...

The conventional wisdom about environmental protection is that it comes at an additional cost on farmers imposed by the government, which may erode their global competitiveness. However, during the last decade, this paradigm has been challenged by a number of analysts. In particular, Porter...