Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10475665 | Journal of Environmental Economics and Management | 2005 | 24 Pages |
Abstract
Recent research has shown that perfect household mobility can serve as a disciplinary mechanism inducing national policy-makers to internalize interregional externalities caused by transboundary pollution. This paper develops a differential game to illustrate that the result is not necessarily robust when migration costs and explicit dynamics are introduced. The paper shows that if governments constantly reoptimize, imperfect household mobility leads to a tragedy of the commons, and individual countries overemit even when pollution is purely local. Moreover, these dynamic externalities get worse as the degree of household mobility increases, and there is a qualitative difference between almost-perfect and perfect mobilty, that is, a discontinuity at zero migration costs.
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Authors
Markus Haavio,