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Inconsistent Definitions Of Gdp: Implications For Estimates Of Decoupling, Gregor Semieniuk
Inconsistent Definitions Of Gdp: Implications For Estimates Of Decoupling, Gregor Semieniuk
Economics Department Working Paper Series
Efforts to assess the possibilities for decoupling economic growth from negative environmental impacts have examined their historical relationship, with varying and inconclusive results. Part of the problem is ambiguity about definitions of environmental impacts, e.g. whether to use territorial or consumption-based measures of environmental impact. This paper shows that ambiguities arising from definitional changes to GDP are sufficiently large to affect the outcomes. I review the history of structural revisions to GDP using the example of the United States, and on international comparisons of purchasing power parity, compare decoupling results using various historical definitions of GDP on the same environmental …