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Choice of models for emission-generating technologies and designing technical efficiency improvements

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  • Sushama Murty

    (Jawaharlal Nehru University)

  • Resham Nagpal

    (Jawaharlal Nehru University)

Abstract

Theoretical and empirical comparisons of weak-disposability(WD), joint-disposability(JD), by-production(BP), and input(I)-based approaches to modelling emission-generating technologies are made. Under constant or non-increasing returns, BP-based model satisfies JD, but stands unique in the class of DEA technologies, where graph-based indexes of technical efficiency improvements (TEIs) are identical for WD, JD, and I-based approaches, which are nested. Multi-relations-based BP approach is more successful in capturing the true data-generating process, and TEIs in input-usage result in an intuitive trade-o? between optimal TEIs in good and bad output-production, not seen under other approaches. A table covering all configurations of optimal TEIs is derived for BP-approach and applied to study di?erences in optimal TEIs for non-performing production-units.

Suggested Citation

  • Sushama Murty & Resham Nagpal, "undated". "Choice of models for emission-generating technologies and designing technical efficiency improvements," Centre for International Trade and Development, Jawaharlal Nehru University, New Delhi Discussion Papers 19-01, Centre for International Trade and Development, Jawaharlal Nehru University, New Delhi, India.
    • Handle: RePEc:ind:citdwp:19-01
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    References listed on IDEAS

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