Bayesian Approach to Disentangling Technical and Environmental Productivity

Emir Malikov, Subal Kumbhakar and Mike Tsionas

MPRA Paper from University Library of Munich, Germany

Abstract: This paper models the firm's production process as a system of simultaneous technologies for desirable and undesirable outputs. Desirable outputs are produced by transforming inputs via the conventional transformation function, whereas (consistent with the material balance condition) undesirable outputs are by-produced via the so-called "residual generation technology". By separating the production of undesirable outputs from that of desirable outputs, not only do we ensure that undesirable outputs are not modeled as inputs and thus satisfy costly disposability, but we are also able to differentiate between the traditional (desirable-output-oriented) technical productivity and the undesirable-output-oriented environmental, or so-called "green", productivity. To measure the latter, we derive a Solow-type Divisia environmental productivity index which, unlike conventional productivity indices, allows crediting the ceteris paribus reduction in undesirable outputs. Our index also provides a meaningful way to decompose environmental productivity into environmental technological and efficiency changes.

Keywords: bad output; by-production; efficiency; MCMC; productivity (search for similar items in EconPapers)
JEL-codes: C11 C30 C43 D24 (search for similar items in EconPapers)
Date: 2015
New Economics Papers: this item is included in nep-eff and nep-env
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Journal Article: Bayesian Approach to Disentangling Technical and Environmental Productivity (2015)
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:64877

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