As long as commodity and securities markets have been in operation, market manipulation has been a serious concern. Now that many electricity and natural gas markets have been opened to competition, manipulation threatens to destroy the value of these markets as well. Yet market manipulation...

Electricity system operations are often affected by energy policies, but spatial differences in policy impacts are difficult to model. We develop a method for estimating zonal supply curves in transmission-constrained electricity markets that can be implemented quickly by policy analysts with...