A Comment on Hamilton (2016) "Measuring Sustainability in the UN System of Environmental-Economic Accounting"

Andrei Bazhanov

MPRA Paper from University Library of Munich, Germany

Abstract: Hamilton (2016) shows that a general closed imperfect economy with extraction cost and any substitutability among inputs is sustainable along an exponentially decreasing path of extraction (EDP) under a generalized Hartwick rule with resource rent measured in SEEA-2012 (System of Environmental-Economic Accounting) units. Mathematically, the result is correct. The problem is that Hamilton offers this approach as "the correct policy rule for sustainability," although this saving rule may be inapplicable to real economies because the prescribed investment may exceed output. In particular, the Cobb-Douglas economy's output goes to zero along EDP even if there is no cost, no health damage from resource use, and all output is invested. The economy with infinite elasticity of substitution between the resource and capital may be sustainable along EDP depending on initial conditions. This result extends Hartwick (2003) disclaimer about substitutability among inputs to the generalized version of the rule. Moreover, the result shows that the assessment of sustainability and accounting prices for real economies depends, besides allocation mechanism, on specification of technology and initial conditions.

Keywords: Natural nonrenewable resource; Imperfect economy; Resource policy; Sustainability accounting price (search for similar items in EconPapers)
JEL-codes: Q32 (search for similar items in EconPapers)
Date: 2020-11-01
New Economics Papers: this item is included in nep-env
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Citations: View citations in EconPapers (1)

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Journal Article: A comment on Hamilton (2016) “Measuring sustainability in the UN System of Environmental-Economic Accounting” (2022)
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