Photo Emmanuel Hache

Emmanuel Hache

Directeur(trice) de recherches
  • Email
  • Research group

      Macroéconomie Internationale, Banque et Econométrie Financière

  • Theme(s)
    • Energie
    • Matières premières
    • Asie

2019-28 "Determinants of investments in solar photovoltaic: Do oil prices really matter?"

Margaux Escoffier, Emmanuel Hache, Valérie Mignon, Anthony Paris

Show Download working paper (on EconPapers)

Abstract
This paper investigates the determinants of solar photovoltaic (PV) deployment in the electricity mix for a panel of OECD and BRICS countries from 1997 to 2016 by paying particular attention to the impact of oil market conditions. Relying on a nonlinear, regime-switching specification, we show that rising oil prices stimulate PV deployment only if their growth rate is important, above 6.7%. Although we find that various other determinants matter—with the influence of some of them depending on the situation on the oil market—public policies play a crucial role. In particular, our findings show that feed-in-tariffs should be encouraged to ensure a continuous fight against climate change, whatever the dynamics followed by oil prices.
Classification-JEL
Q4; Q42; C23; C24
Mot(s) clé(s)
Solar photovoltaic; Renewables deployment; Oil prices; Panel smooth transition regression
File

2018-45 "The nexus between climate negotiations and low-carbon innovation: a geopolitics of renewable energy patents"

Clément Bonnet, Samuel Carcanague, Emmanuel Hache, Gondia Sokhna Seck, Marine Simoën

Show Download working paper (on EconPapers)

Abstract
Intellectual property is a central issue in the climate negotiations. On the one hand, it shapes and encourages innovation in low-carbon technologies. On the other hand, it reduces access to these technologies by giving patent holders market power. We analyze the interactions between climate negotiations and the acquisition of patents on renewable energy technologies. First, we recall the geopolitical nature of intellectual property and explain how it is modified by the particularities of low-carbon innovation. The second part of this article is devoted to an inventory of the production of inventions in renewable energy technologies (RETs). In particular, we focus on the relative technological advantages of countries and the value of patented inventions. Major changes are observed in the geographical distribution of low-carbon innovation during the 2000s and they foreshadow a reorganization of the geopolitical balances of innovation in renewable energies.
Classification-JEL
Q42, Q55, O31, O38
Mot(s) clé(s)
Patent data, energy transition, renewable energy technology, innovation, international relations
File

2018-50 "Renewable energy source integration into power networks, research trends and policy implications: A bibliometric and stakeholders survey analysis"

Emmanuel Hache, Angélique Palle

Show Download working paper (on EconPapers)

Abstract
This article studies the integration of variable renewable energy sources (RES) into power networks. The main goal is to confront the contents and trends of scientific literature with the eyes and projects of researchers on future topics and issues to be solved, especially in terms of modeling of electrical systems. The analysis relies on a bibliometric study of the Scopus database on the topic and on an online survey sent to the corresponding authors of the identified papers. The paper analyses the dynamics of publication, clusters of collaboration and main studied topics. It then identifies potential research leads, among which unresolved challenges regarding technical aspects, markets and financing issues and social aspects. The paper concludes on the policy implications of the mentioned results. The disparity of models and results is still a necessary evil as research is not mature enough to integrate in one model all the very complex parameters of VRE integration into power systems. Some recurring lacks though, such as the impact of emergent technologies or the development of substitute low carbon emitting technology (other than solar and wind), need to be addressed. The paper also advocates the need for a systemic vision, for both research and policy makers that goes beyond the sole power system.
Classification-JEL
Q42, Q48, Q55
Mot(s) clé(s)
Variable renewable energy, bibliometric analysis, scenario, survey, power network, policy
File
load Please wait ...