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True versus spurious state dependence in firm performance : the case of West German exports
Kaiser, Ulrich; Kongsted, Hans Christian - 2004
Persistent link: https://www.econbiz.de/10002232487
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Price structure in two-sided markets : evidence from the magazine industry
Wright, Julian; Kaiser, Ulrich - 2004
Persistent link: https://www.econbiz.de/10002232518
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An estimated model of the German magazine market
Kaiser, Ulrich - 2004
Persistent link: https://www.econbiz.de/10002232537
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B2B or not to be : does B2B e-commerce increase labour productivity?
Bertschek, Irene; Fryges, Helmut; Kaiser, Ulrich - 2004
Persistent link: https://www.econbiz.de/10002264938
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Product innovation and product innovation marketing : theory and microeconometric evidence
Kaiser, Ulrich - 2003
Persistent link: https://www.econbiz.de/10001770421