We propose a formal re-definition of the concept market failure based on the idea of the imperfect state. In the Neo-classical taxonomy, a decentralized regime of exchange is a market failure if its laissez faire equilibrium solution is welfare-dominated by a technically feasible alternative. If...

Behavioral economics has shown that individuals sometimes make decisions that are not in their best interest. This insight has prompted calls for behaviorally-informed policy interventions popularized under the notion of "libertarian paternalism". This type of soft paternalism aims at helping...

The social cost of carbon (SCC) is a monetary measure of the harms from carbon emission. Specifically, it is the reduction in current consumption that produces a loss in social welfare equivalent to that caused by the emission of a ton of CO2. The standard approach is to calculate the SCC using...