Efficiency properties of binary ecolabeling

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10 Citations (Scopus)


We investigate efficiency properties of binary ecolabels in a homogeneous good market with heterogeneous consumers. Faced with the minimum technology standard, firms make endogenous entry, certification, and price/quantity decisions. We consider both perfect and imperfect competition with or without sunk fixed costs. Our findings are as follows. Ecolabeling alone does not achieve the first-best outcome and, to achieve the second best, may need to set the standard less strict than the efficient level. Without sunk fixed costs, ecolabeling can achieve the first-best outcome provided that both the technology standard and the complementary pollution tax are set at efficient levels. With sunk fixed costs, however, differential excise taxes that would restore allocative efficiency induce more entry than optimal, and thus, can be even welfare decreasing relative to no tax outcome. Tightening the technology standard may ameliorate such an adverse effect of the corrective tax system by reducing excessive entry and pollution per output by the certified firms.

Original languageEnglish
Pages (from-to)798-819
Number of pages22
JournalResource and Energy Economics
Issue number4
Publication statusPublished - 2011 Nov
Externally publishedYes


  • Discrete product choice
  • Ecolabeling
  • Environmental standard
  • Product differentiation

ASJC Scopus subject areas

  • Economics and Econometrics


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