1. Editorial

   • Dieter Bös

   EditorialNotes Pages: 1 - 1

2. Oligopoly, information and welfare

   • Yasuhiro Sakai
   • Takehiko Yamato

   Articles Pages: 3 - 24

3. Macroeconomic policy and activity in an open economy with oligopoly and collective bargaining

   • Nicholas Sarantis

   Articles Pages: 25 - 46

4. More potential entrants may lead to less competition

   • Kofi O. Nti

   Articles Pages: 47 - 70

5. Effluent charges on municipal wastewater treatment facilities: In search of their theoretical rationale

   • Rüdiger Pethig
   • Klaus Fiedler

   Articles Pages: 71 - 94

6. Book Reviews

   • U. Schweizer
   • R. Windisch
   • W. Peters

   BookReview Pages: 95 - 121