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Théophile T. Azomahou, Raouf Boucekkine, Phu Nguyen-Van, 2008. "Promoting clean technologies: The energy market structure crucially matters"
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| Abstract: |
| We develop a general equilibrium vintage capital model with embodied energy-
saving technological progress and an explicit energy market to study the impact of investment subsidies on investment and output. Energy and capital are assumed to be complementary in the production process. New machines are less energy consuming and scrapping is endogenous. It is shown that the impact of investment subsidies heavily depends on the structure of the energy market, the mechanism explaining this outcome relying on the tight relationship between the lifetime of
capital goods and energy prices via the scrapping conditions inherent to vintage
models. In particular, under a free entry structure for the energy sector, investment subsidies boost investment, while the opposite result emerges under natural monopoly if increasing returns in the energy sector are not strong enough. |
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