1. Are Public Enterprises the Only Credible Predators?, 67 U. Chi;Sidak;L. Rev,2000
2. Postal Service New Delivery Performance Measures Could Enhance Managers' Pay for Performance Program;See Jeffrey;U.S. Government Accountability Office,2008
3. Incentives for Anticompetitive Behavior by Public Enterprises;E M David;Rev. Indus. Org,2003
4. Reduction of Foreign Parcel Postal Rates