Opportunities and challenges for information systems research : beyond the bounds of statistical inference : an introduction / Robert J. Kauffman, Paul P. Tallon — Research strategies for e-business : a philosophy of science view in the age of the Internet / Robert J. Kauffman, Charles A. Wood — A potential outcomes approach to assess causality in information systems research / Sunil Mithas, Daniel Almirall, Mayuram S. Krishnan — Empirical analysis of information technology project investment portfolios / Ryan Sougstad, Indranil R. Bardhan — Evaluating information technology industry performance : a stochastic production frontier approach / Benjamin B.M. Shao, Winston T. Lin — Using accounting-based performance measures to assess the business value of information technologies and systems / Bruce Dehning … [et al.] — Modelling dynamics in online auctions : a modern statistical approach / Galit Shmueli, Wolfgang Jank — Empirical design of incentive mechanisms in group-buying auctions / Her-Sen Doong … [et al.] — Empirical advances for the study of weblogs : relevance and testing of random effects model / Kai-Lung Hue, Yee-Lin Lai, Shun-Jian Yee — Choice-based sampling and estimation of choice probabilities in information systems and e-commerce research / Jungpil Hahn, Chen Zhang — Debating the nature of empirical e-commerce research : issues, challenges, and directions / Vijay Gurbaxani, Henry C. Lucas, Jr., Paul P. Tallon.