CONTENTS VOLUME XLVIII Number 1, March 2000 GEORGE SYMEONIDIS Price Competition and Market Structure: The Impact of Cartel Policy on Concentration in the UK JAMES M. MacDONALD Demand, Information and Competition: Why Do Food Prices Fall at Seasonal Demand Peaks? BRUCE A. BLONIGEN and CHRISTOPHER T. TAYLOR R&D Intensity and Acquisitions in High-Technology Industries: Evidence from the US Electronic and Electrical Equipment Industries EMANUELE GIOVANNETTI Technology Adoption and the Emergence of Regional Asymmetries BHARAT N. ANAND and TARUN KHANNA The Structure of Licensing Contracts Number 2, June 2000 MARK ARMSTRONG and JOHN VICKERS Multiproduct Price Regulation Under Asymmetric Information YONGMIN CHEN Strategic Bidding by Potential Competitors: Will Monopoly Persist? VINCENZO DENICOLO Compatibility and Bundling with Generalist and Specialist Firms NIKOLAOS VETTAS Investment Dynamics in Markets with Endogenous Demand GILLES DURANTON Cumulative Investment and Spillovers in the Formation of Technological Landscapes F.M. SCHERER Professor Sutton’s ‘Technology and Market Structure’ Number 3, September 2000 DAVID LUCKING-REILEY Auctions on the Internet: What’s Being Auctioned, and How? DAVID REIFFEN, LAURENCE SCHUMANN and MICHAEL R. WARD Discriminatory Dealing with Downstream Competitors: Evidence from the Cellular Industry MARCUS ASPLUND What Fraction of a Capital Investment is Sunk Costs? GERALD R. FAULHABER and CHRISTIAAN HOGENDORN The Market Structure of Broadband Telecommunications STEFAN LUTZ, THOMAS P. LYON and JOHN W. MAXWELL Quality Leadership When Regulatory Standards are Forthcoming ANDREA COSCELLI The Importance of Doctors’ and Patients’ Preferences in the Prescription Decision Number 4, December 2000 Introduction DREW FUDENBERG and JEAN TIROLE Pricing a Network Good to Deter Entry SHANE GREENSTEIN Building and Delivering the Virtual World: Commercializing Services for Internet Access JOSEPH FARRELL and MICHAEL L. KATZ Innovation, Rent Extraction, and Integration in Systems Markets JACQUES CREMER, PATRICK REY and JEAN TIROLE Connectivity on the Commercial Internet HALR. VARIAN Buying, Sharing and Renting Information Goods