I extend the classical general equilibrium treatment of uncertainty about exogenous states of nature to uncertainty about prices. Traders do not know the prices at which markets will clear but have expectations over possible prices. They trade price-contingent securities (derivatives) to insure...

The increasing importance of intermittent renewable energy sources suggests a growing importance for energy storage as a way of smoothing the variable output. In this paper I investigate factors affecting the amount of energy storage needed, including the degree of intermittency and the...

I investigate the cost and feasibility of reducing US GHG emissions by 80% from 2005 levels by 2050. The US has stated in its Paris COP 21 submission that this is its aspiration. I suggest that this goal can be reached at a cost in the range of $37 to $135 bn/year. I assume that the goal is to...

I provide a rigorous framework for accounting for corporate greenhouse gas emissions, based on the Greenhouse Gas Protocol. I show that only Scope 1 emissions are of interest from a national policy perspective: that emissions in Scopes 2 and 3 are duplicative, and that downstream Scope 3...