Publications
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Les entreprises françaises vont sortir de la crise le dos au mur avec un taux d’endettement de 86 %, proche du double de celui des entreprises allemandes (45 %) et même supérieur à celui des...
Using a new and original database, our paper contributes to the growth accounting literature by singling out the contribution of robots through two channels: capital deepening and TFP. The contribution of robots to productivity growth through capital deepening and TFP appears to have been significant in Germany and Japan in the sub-period 1975–1995 and in several Eastern European countries in 2005–2019. However, robotization does not appear to be the source of a significant revival in productivity.
This paper analyses the effects of flow pollution implied by the use of necessary non-renewable resources, fossil fuel for example, on overlapping generations (OLG) economies. Notably, it shows that, on the balanced growth path, flow pollution reduces the (negative) resources contribution to growth and increases resources conservation, capital accumulation, and growth. Flow pollution thus increases the ability of an economy to sustain a non-decreasing consumption path. Some of the results are due to (or magnified by) the OLG structure of the economy. In addition, the paper highlights the need for public intervention and shows that the optimal allocation may be decentralized using a tax on resources use and transfers. JEL Codes: Q32, Q38, Q53.
We propose a structural econometric model that incorporates altruism towards other household members into the willingness to pay for a public good. The model distinguishes preferences for public good improvements for oneself from preferences for improvements for other household members. We test for three different types of altruism - ‘pure self-interest’, ‘pure altruism’ and ‘public-good-focused non-pure altruism’. Using French contingent valuation data regarding air quality improvements, we find positive and significant degrees of concern for children under the age of 18, which are explained by determinants related to health and subjective air quality assessment. All other forms of pure or air-quality-focused altruism within the family are insignificant, including for children over 18, siblings, spouses, and parents. This result suggests that benefit estimates that do not consider altruism could undervalue improvements in air quality in France.
A monopoly sells a network good to a large population of consumers. We explore how the monopoly's profit and the consumer surplus vary with the arrival of public information about the network structure. The analysis reveals that, under homogeneous preferences for the good, degree assortativity ensures that information arrival increases both profit and consumer surplus. In contrast, heterogeneous preferences for the good can create a tension between consumer surplus and profit.
