Carbon pricing is the efficient instrument to reduce emissions. However, the geographical and sectoral coverage of substantial carbon pricing is low, often due to concerns that pricing may increase economic inequality. Regulatory standards such as fuel economy standards are more popular. But do...

Nowadays, an important debate in the international economies is the problem of greenhouse gas emissions and climate change related. Discussions begin to gain the world with the signature of the Kyoto Protocol (1997), where an international agreement was reached to reduce global emissions....

It is widely believed that an environmental tax (price regulation) and cap-and-trade (quantity regulation) are equally efficient in controlling pollution when there is no uncertainty. We show that this is not the case if some consumers (firms, local governments) are morally concerned about...

The current Brazilian position on climate change has been formalized with the law of National Climate Change Policy (PNMC, in Portuguese), established in December 2009, which provides a legal framework for national actions aimed at mitigation and adaptation. Within PNMC, the country has defined...

We consider an economy in which competitive firms use three technologies for electricity production: pollutive fossils, intermittent renewables like wind or solar, and storage. We determine optimal subsidies for renewables and storage capacities when carbon pricing is imperfect. This policy is...