List of contributors. Editor's note. Output price and markup dispersion in micro data: the roles of producer heterogeneity and noise (M.J. Roberts, D. Supina). Quotas and tariffs with endogenous conduct (R.J. Deneckere, K. Kovenock and Y.Y. Sohn). Strategic advertising and pricing in e-commerce (D.O. Stahl, II). Strategic vertical contracting with endogenous number of downstream divisions (K. Saggi, N. Vettas). Why people buy liability insurance under the rule of simple negligence (K.J. Crocker, N. Doherty). Price discrimination based on consumer purchase history (M. Arbatskaya). Transaction-cost economics and the organization of agricultural transactions (S.E. Masten). A strategic search model of technology adoption and policy (H.C. Hoppe). Applying the rule of reason to maximum resale price fixing: Albrecht overruled (R.D. Blair, J.M. Fesmire and R. Romano). Rigid monopoly prices (M. Stegeman). Minimum quality standards in a horizontally differentiated market (J.W. Maxwell). Strategic delegation in cournot oligopoly with incomplete information (G. Merzoni).