markets. Deregulation has been accompanied by substantial market consolidation and today the three largest companies control … more than one-third of all U.S. nuclear capacity. We find that deregulation and consolidation are associated with a 10 … percent increase in operating efficiency, achieved primarily by reducing the frequency and duration of reactor outages. At …

efficiency, we find that firms in jurisdictions that adopted deregulation have in fact lower productive efficiency, and have also …We present empirical evidence on the productive efficiency of electric utilities in the United States from 1990 to 2004 …. This period is marked by major attempts to introduce deregulation with an expectation that it will lead to improved …