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Optimal Management with Potential Regime Shifts

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  • Stephen Polasky
  • Aart de Zeeuw
  • Florian Wagener

Abstract

We analyze how the threat of a potential future regime shift affects optimal management. We use a simple general growth model to analyze four cases that involve combinations of stock collapse versus changes in system dynamics, and exogenous versus endogenous probabilities of regime shift. Prior work in economics has focused on stock collapse with endogenous probabilities and reaches ambiguous conclusions on whether the potential for regime shift will increase or decrease intensity of resource use and level of resource stock. We show that all other cases yield unambiguous results. In particular, with endogenous probability of regime shift that affects system dynamics the potential for regime shift causes optimal management to become precautionary in the sense of maintaining higher resource stock levels.

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File URL: http://www.cesifo-group.de/portal/page/portal/DocBase_Content/WP/WP-CESifo_Working_Papers/wp-cesifo-2010/wp-cesifo-2010-11/cesifo1_wp3237.pdf
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Paper provided by CESifo Group Munich in its series CESifo Working Paper Series with number 3237.

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Date of creation: 2010
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Handle: RePEc:ces:ceswps:_3237

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Keywords: optimal management; growth; renewable resources; regime shifts;

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