To mitigate climate change, some governments opt for instruments focused on investment, like performance standards or feebates, instead of carbon prices. We compare these policies in a Ramsey model with clean and polluting capital, irreversible investment and a climate constraint. Alternative...

Economists have expended considerable effort to develop economically meaningful definitions of the somewhat elusive concept of "sustainability". We relate such a definition of sustainability to well known concepts from neoclassical economics, in particular, potential Pareto improvements (in the...

In this paper we study the optimal forest conservation policy by a hyperbolically discounting society. Society comprises a series of non-overlapping imperfectly altruistic generations each represented by its own government. Under uncertainty about future pay-offs we determine, as solution of an...