Environmental Policy Instruments and Uncertainties Under Free Trade and Capital Mobility

Shreekar Pradhan, J Holladay, Mohammed Mohsin and Shreekar Pradhan
Authors registered in the RePEc Author Service: Shreekar Pradhan

No 8102, EcoMod2015 from EcoMod

Abstract: We analyze the properties of environmental policy instruments in the face of uncertainty for an economy that is open to international trade and capital mobility (open economy). We incorporate three static environmental policy instruments which could be inefficient: cap-and-trade, pollution tax and emission intensity standard in our model and evaluate their properties under an exogenous temporary productivity shocks to simulate business cycles and an exogenous temporary abatement cost shock to represent reduced costs of clean inputs (for example cheap natural gas due to fracking). We then compare impacts on welfare, pollution levels, outputs, consumption, investment, supply of labor and trade flows in the economy. To date this literature has either focused on either economies under autarky or in a static modeling framework with a focus on strategic interaction among agents and thus ignore an additional channel of international trade and capital mobility that may smooth the intensity of business cycle shock or abatement cost breakthrough. We develop a small open economy (SOE) dynamic stochastic general equilibrium (DSGE) model where we incorporate international trade and capital mobility. We evaluate long term properties and use DYNARE to evaluate short term (dynamic) properties. Our results suggest that the preferred environmental policy instrument varies with the source of uncertainty. The cap-and-trade policies are best suited to smooth the business cycle while pollution taxes and intensity targets are most effective in the face of abatement cost shocks. We find that the magnitude of the productivity shock's impact on the economy swamps the impact of an abatement cost shock. This suggests that a cap-and-trade policy, which performs best in the face of productivity shocks, should be the preferred policy instrument in most cases. In our model, calibrated to Canadian data, a one standard deviation productivity shock has nearly an order of magnitude larger impact than a one standard deviation abatement cost shock.

Keywords: Canadian Economy; Energy and environmental policy; Business cycles (search for similar items in EconPapers)
Date: 2015-07-01
New Economics Papers: this item is included in nep-dge, nep-ene, nep-env and nep-int
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Persistent link: https://EconPapers.repec.org/RePEc:ekd:008007:8102

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