The impact of social networks on consumer's value attitude systems and store loyalty / A.O.I. Hoffmann and M.L. TeerlingThe effect of different needs, decisionmaking processes and networkstructures on investor behavior and stock market dynamics : a simulation approach / Arvid O.I. Hoffmann and Wander JagerThe effect of different needs, decisionmaking processes and networkstructures on investor behavior and stock market dynamics : a simulation approach / Arvid O.I. Hoffmann and Wander JagerEssays on the social dimensions of investor behavior / Arvid Oskar Ivar HoffmannEssays on the social dimensions of investor behavior / Arvid Oskar Ivar HoffmannShareholder activism and the role of marketing: a framework for analyzing and managing investor relations / Arvid O.I. Hoffmann, Joost M.E. PenningsShareholder activism and the role of marketing : a framework for analyzing and managing investor relations / Arvid O.I. Hoffmann, Joost M.E. Pennings