Environmental Productivity Assessment: an Illustration with the Ecuadorian Oil Industry

Arnaud Abad (1) , Michell Arias (2) , Paola Ravelojaona (3, 4)

1 BETA - Bureau d'Économie Théorique et Appliquée
2 UPVD - Université de Perpignan Via Domitia
3 ICN Business School
4 CEREFIGE - Centre Européen de Recherche en Economie Financière et Gestion des Entreprises

In this paper, environmental productivity change is analysed through the production theoretic approach to index numbers. Specifically, pollution-adjusted Malmquist and Hicks-Moorsteen productivity indices are considered. These productivity indices are defined as combination of multiplicative distance functions. Non convex pollution-generating technology is assumed to estimate the pollution-adjusted Malmquist and Hicks-Moorsteen productivity measures. Moreover, the main sources of the environmental productivity change are displayed. An empirical illustration is provided by considering a sample of 20 Ecuadorian oil companies over the period 2014-2018. The results are estimated through a non parametric analytic framework.

Mots clés: Data Envelopment Analysis (DEA); Ecuadorian Oil industry; Environmental Efficiency; Productivity Indices; Non Convexity; Pollution-generating Technology

Domaines: Economies et finances

Arnaud Abad, Michell Arias, Paola Ravelojaona. Environmental Productivity Assessment: an Illustration with the Ecuadorian Oil Industry. Managerial and Decision Economics, 2023, 44 (8), pp.4559-4571. ⟨10.1002/mde.3970⟩. ⟨hal-03574542v2⟩