We introduce public debt in a Ramsey model with heterogenous agents and a public spending externality affecting utility which is financed by income tax and public debt. We show that public debt considered as a fixed portion of GDP can have a stabilizing or destabilizing effect depending on some...

Barro's model is an AK model, and there cannot be dynamic inefficiency since the social yield of the capital is higher than the growth rate. But it may be that the private yield and thus the interest rate are lower than the growth rate. One can thus have a Ponzi game and the government can allow...

This paper examines the influence of political ideology on economic growth in the French democracy since 1871. It does so by addressing three main issues : the property and the reliability of a political ideology index in the long-run, the robustness of the relationship between ideology and...

Contrasting with the 1929 great crisis, authorities intervened forcefully in 2008 to stop the disintegration of the financial system. Governments and central banks then sought to revise the prudential regulation in depth. It would be optimistic, however, to believe that prudential measures,...

The recent boom and bust in commodity prices has renewed the policymakers' interest in three complementary issues: i) characteristics and determinants of commodity price instability, ii) its macroeconomic effects and, iii) the optimal policy responses to this instability. This work falls within...

To what extent differences across developing countries in their domestic tax mobilization can be explained, in addition to the traditional determinants, by political economy factors and particularly by the political regime? Using a panel of 66 developing countries over the period 1990-2005, this...

This paper applies the theme of sustainable development to the case of urban transport and daily mobility of the inhabitants of a city. A set of indicators which simultaneously takes the three dimensions of sustainability––environmental, economic, and social––into account is suggested....

Was colonization very costly for the metropole? This view has been widely accepted among French historians even though little empirical evidence has been provided. Using original data from the colonial budgets of French West Africa (AOF) this paper provides new insights into the actual colonial...