"One basic problem in business-cycle studies is how to deal with nonstationary time series. The market economy is an evolutionary system. Economic time series therefore contain stochastic components that are necessarily time dependent. Traditional methods of business cycle analysis, such as the...

- In French: Dans cet article, nous étudions les liens existants entre les créations d'entreprises, le PIB et le taux de chômage en France à partir de données régionales sur la période 1993-2011. Les interactions sont analysées tant à court terme qu'à long terme sous une double...

We study the influences of new firms startups on growth in regional and macroeconomic dimensions in France using a quarterly data basis over the 1993-2011 period. We find that fluctuations in GDP are an early indicator of new firm startups. Nevertheless the most important relationships are found...

We study the relationships between unemployment rate and new-firm startups rate in France using a quarterly data basis over the 1993-2011 period. At the national level we identify that the refugee effect explains the dynamics of entrepreneurship in France over the period 2000-2011. New French...

"When monetary policies are endogenous, the conventional VAR approach for detecting the effect of monetary policies is powerless. This paper proposes to test the implication of monetary policies along a different dimension. That implication is to exploit the policy induced exogeneity of...