免费共享Aghion和Acemoglu等(2011):The Environment and Direced Technical Change

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Aghion和Acemoglu等2011年10月的Working Paper
The Environment and Direced Technical Change

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关键词：environment Technical Acemoglu change Aghion 2011

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受楼主启发，看到Acemoglu的大名，去查了下果然有这篇文章，最后2012年放在AER上面

Daron Acemoglu, Philippe Aghion, Leonardo Bursztyn and David Hemous

American Economic Review, 2012, vol. 102, issue 1, pages 131-66

This paper introduces endogenous and directed technical change in a growth model with environmental constraints. The final good is produced from "dirty" and "clean" inputs. We show that: (i) when inputs are sufficiently substitutable, sustainable growth can be achieved with temporary taxes/subsidies that redirect innovation toward clean inputs; (ii) optimal policy involves both "carbon taxes" and research subsidies, avoiding excessive use of carbon taxes; (iii) delay in intervention is costly, as it later necessitates a longer transition phase with slow growth; and (iv) use of an exhaustible resource in dirty input production helps the switch to clean innovation under laissez-faire. (JEL O33, O44, Q30, Q54, Q56, Q58)

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20091164_data.zip (5.94 MB)

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