Frontmatter -- Inhalt / Contents -- Guest Editorial -- Abhandlungen / Original Papers -- One for Sure or Maybe Three -- Beating thy Neighbor: Derby Effects in German Professional Soccer -- Empirical Evidence on the Never Change a Winning Team Heuristic -- A Market's Reward Scheme, Media Attention, and the Transitory Success of Managerial Change -- Gold, Silver, and Bronze: Determining National Success in Men's and Womens Summer Olympic Events -- Inner-Outer Lane Advantage in Olympic 1000 Meter Speed Skating -- Employment Effects of the 2002 Winter Olympics in Salt Lake City, Utah -- The Effects of Institutional Change in European Soccer -- A Contest Model of a Professional Sports League with Two-Sided Markets -- Infant Mortality of Professional Sports Clubs: An Organizational Ecology Perspective -- Buchbesprechung / Book Review -- Backmatter