We develop a climate-economy model with active learning. We consider three ways of active learning: improved observations, adding observations from the past and improved theory from climate research. From the model, we find that the decision maker invests a significant amount of money in climate...

We generalize Wirl’s (JEEM, 2009) “oligopoly meets oligopsony” model of a permit market for the case of heterogeneous players. Both oligopolists and oligopsonists reduce welfare by restricting trade. Having both in the market reinforces this. However, oligopolists seek to increase the...

Agriculture employs 60% of workers in rural Indonesia whose crop production and incomes are threatened by variation in climatic conditions. Delayed monsoon onset related to El Niño is likely to become more frequent with climate change. Using the Indonesian Family Life Survey, IFLS, this paper...

Most functions of economic impact assume that climate change is smooth. We here propose impact functions that have stochastic climate change as an input. These functions are identical in shape and have similar parameters as do deterministic impact functions. The mean stochastic impacts are thus...

A cap is imposed on the carbon tax rate if the total tax revenue is not allowed to increase. Using recent data on the carbon-intensity of the economy and the overall tax take, I show that this cap constrains almost any climate policy in at least some countries. A larger number of countries,...