A considerable amount of research has shown that a carbon tax combined with research subsidies may be regarded as optimal policy for encouraging the spread of low-carbon technologies for the benefit of society. The paper exploits the macroeconomic approach of endogenous growth models with...

We borrow standard assumptions from the non-renewable-resource-taxation and from the directed-technical-change literatures, to take a full account of the incentives to perform R&D activities in a dirty-resource sector and in a clean-resource-substitute sector. We show that a gradual rise in the...

While fossil energy dependency has declined and energy supply has grown in the postwar world economy, future resource scarcity could cast its shadow on world economic growth soon if energy markets are forward looking. We develop an endogenous growth model that reconciles the current aggregate...