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ifo Institut – Leibniz-Institut für Wirtschaftsforschung an der Universität München >
CESifo Working Papers, CESifo Group Munich >
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http://hdl.handle.net/10419/38939
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| Title: | | Population under a cap on Greenhouse Gas Emissions  |
| Authors: | | Bohn, Henning Stuart, Charles |
| Issue Date: | | 2010 |
| Series/Report no.: | | CESifo working paper Public Finance 3046 |
| Abstract: | | A cap on greenhouse gas emissions makes total emissions a fixed common-property resource. Population increases under a cap are therefore self-limiting: a population increase raises labor and reduces emissions per unit of labor, which lowers incomes and fertility. Because a marginal birth under a cap lowers all incomes, a cap induces a negative population externality. The externality is substantial in calibrations, about 20 percent of income in steady state and 5 percent of income immediately after imposition, or more, per child. Similarly, the optimal population may be one-quarter of the natural population in steady state. |
| Subjects: | | population externality Pigovian tax emissions cap endogenous fertility economic growth optimal population calibrated optimal child tax |
| JEL: | | H21 H23 O40 Q56 |
| Document Type: | | Working Paper |
| Appears in Collections: | | CESifo Working Papers, CESifo Group Munich
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