Evgeny V. Popov, Institute of Economics, Ural Branch of Russian Academy of Sciences — Russia and Lyudmila N. Popova, Institute of Management of the Ural State University — Russia, Diffusion Model of Transactional Cost Dymanics

Pierre De Villiers, University of Stellenbosch — South Africa, Cost of Crime Prevention in South Africa 1980-2006: Opportunity Cost Approach

Ottorino Chillemi, UNIVERSITY OF PADUA — Italy and Claudio Mezzetti, UNIVERSITY OF WARWICK — United Kingdom, Procurement Auctions under Risk of Non-Performance

Ivan I. Major, Institute of Economics, the Hungarian Academy of Sciences — Hungary and Karoly M. Kiss, University of Pannonia — Hungary, Interconnection and Incentive Regulation in Network Industries

Jeffrey Livingston, David Ortmeyer, Patrick Scholten and Wilson Wong, Bentley University — USA, Testing for Indirect Network Externalities in the LCD Television Market

Jeffrey Livingston, Bentley University — USA, Competition Between Sellers in Internet Auctions