La question de la dette publique française est au cœur des débats depuis de nombreuses années et donne lieu à des affirmations alarmistes dont la plus connue est celle de François Fillon en 2007. Il est utile de poser les termes de ce débat, en précisant ce que recouvre la dette publique, les causes de son évolution et les politiques permettant de gérer celle-ci.
We study the macroeconomic impact of climate action policy that would allow France to reach its net zero objective by 2050. Contrary to the findings of a report commissioned by the French Prime Minister, our simulations show that these investments are likely to generate economic growth and reduce public debt.
Si les États-Unis sont apparus comme la puissance mondiale dominante depuis la seconde moitié du XXe siècle, c’est non seulement en raison de leur puissance...
Understanding how firms interpret and respond to carbon price signals based on their strategic priorities is crucial for aligning climate policies with corporate financial and environmental objectives. By examining how carbon price signals can shape firms’ financial–environmental priorities, these findings offer actionable insights for designing policies that better balance profitability and sustainability in the low-carbon transition.
his paper studies the adoption of clean technology in an oligopolistic setting, focusing on carbon capture and storage (CCS) in the cement sector. Firms can choose between two technologies: a carbon- intensive ("dirty") technology and a low-carbon ("clean") one.
Globally, the transport sector is the second-largest source of CO2 emissions, with private road transportation accounting for the majority of these emissions. In this study, we use a structural model and a novel dataset of the French new and used car markets to estimate the determinants of private car demand and price sensitivity. Our findings demonstrate that targeting low-income households is effective from both distributive and environmental perspectives.
The world economy is not anymore a multipolar world, but clearly tends towards a bipolar one since the global trade war launched by Donald Trump with a major confrontation between US and China. For the future the four European scenarios presented are unequally likely or desirable.
To improve the management of the public water supply service in the city of Chennai, the French utility company Veolia provided to Chennai Metro Water technical assistance from 2002 to 2006, under the institutional support of an international donor, the World Bank. This case illustrates how instilling managerial and technical changes in public water utilities through foreign direct investment is a challenging task.
The purpose of this study is to reveal how the urban market for off-grid energy production in the hybrid domain developed in the Indian context and to critically reflect on this phenomenon.
Maryam Sadighi a soutenu sa thèse le 16 juin 2025 à Paris Saclay. Cette thèse examine les conditions économiques dans lesquelles l’hydrogène vert peut être efficacement déployé pour...
