Climate change must deal with two market failures, global warming and learning by doing in renewable use. The social optimum requires an aggressive renewables subsidy in the near term and a gradually rising carbon tax which falls in long run. As a result, more renewables are used relative to...

We investigate how the assumption that individuals are characterized by some recent forms of behavioural preferences changes the analysis of an otherwise classical welfare problem, namely the optimal allocation of a scarce resource among a finite number of claimants. We consider two preference...

A 'folk theorem' originating, among others, in the work of Stiglitz maintains that competitive equilibria are always or 'generically' inefficient (unless contracts directly specify consumption levels as in Prescott and Townsend, thus bypassing trading in anonymous markets). This paper critically...

An indivisible good is to be consumed by one of several agents. The consumption involves identity-dependent externalities to the non-consumers. Resale markets for such goods are analysed in various institutional settings with complete information, assuming the agents cannot commit to future...

The investment decisions of small-scale farmers in developing countries are conditioned by their financial environment. Binding credit market constraints and incomplete insurance can reduce investment in activities with high expected profits. We conducted several experiments in northern Ghana in...

We partnered with a micro-lender in Mali to randomize credit offers at the village level. Then, in no-loan control villages, we gave cash grants to randomly selected households. These grants led to higher agricultural investments and profits, thus showing that liquidity constraints bind with...

We use the Euler equation to put forward a back-on-the-envelope rule for the global carbon tax based on a two-box carbon cycle with temperature lag, and a constant elasticity of marginal damages with respect to GDP. This tax falls with time impatience and intergenerational inequality aversion...

This Paper analyses the effects of ownership structure on corporate environmental performance and examines the link from financial performance to environmental performance in a transition economy. In particular, it analyses these ownership effects and this performance link using an unbalanced...

The paper explains how a country can fall into a 'low-skill, bad-job trap', in which workers acquire insufficient training and firms provide insufficient skilled vacancies. In particular, the paper argues that in countries where a large proportion of the workforce is unskilled, firms have little...

We study a vertically differentiated market where two firms simultaneously choose the quality and price of the good they sell and where consumers also care for the average quality of the goods supplied. Firms are composed of two factions whose objectives differ: one is maximizing profit while...