Based on the premise that fairness is different from equity and that it is primarily used in informal contexts we present an economic approach to fairness. Discussing the results of behavioral economics reveals the experience that people do not accept a monetary offer even if that collides with...

In this paper I examine the design of climate treaties when there exist two kinds of technology, a conventional abatement technology with (linearly) increasing marginal costs and a backstop technology ("air capture") with high but constant marginal costs. I focus on situations in which countries...

We present and test a model relating a firm's idiosyncratic cost, its exporting status, and the volatilities of its domestic and export sales. In prior models of trade, supply costs for domestic and exports were linear and thus additively separable. We introduce a nonlinear cost function in...