@book{harhoff1995,
	title = {Preismessung und technischer Fortschritt},
	address = {Nomos-Verl.-Ges.},
	annote = {108 S},
	author = {{Dietmar} Harhoff},
	edition = {1. Aufl},
	howpublished = {Baden-Baden},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+187239517&sourceid=fbw_bibsonomy},
	year = {1995},
	biburl = {http://www.bibsonomy.org/bibtex/236d82466faa128679541f31aa6f4612b/fbw},
	description = {imported},
	isbn = {3-7890-3989-6},
	keywords = {imported }
}

@book{harhoff1996,
	title = {Innovationsaktivitäten kleiner und mittlerer Unternehmen : Ergebnisse des Mannheimer Innovationspanels},
	address = {Nomos-Verl.-Ges.},
	annote = {113 S},
	author = {{Dietmar} Harhoff},
	edition = {1. Aufl},
	howpublished = {Baden-Baden},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+191557382&sourceid=fbw_bibsonomy},
	year = {1996},
	biburl = {http://www.bibsonomy.org/bibtex/262ff89764a972db6d6af9414a9e3f71b/fbw},
	description = {imported},
	isbn = {3-7890-4198-X},
	keywords = {imported }
}

@book{harhoff1997,
	title = {Unternehmensgründungen : empirische Analysen für die alten und neuen Bundesländer},
	address = {Nomos-Verl.-Ges.},
	annote = {209 S},
	author = {{Dietmar} Harhoff},
	edition = {1. Aufl},
	howpublished = {Baden-Baden},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+224753452&sourceid=fbw_bibsonomy},
	year = {1997},
	biburl = {http://www.bibsonomy.org/bibtex/289a0cdbb9a817f8b58d2b62b1d0fa73e/fbw},
	description = {imported},
	isbn = {3-7890-4657-4},
	keywords = {Datenanalyse Unternehmensgründung Wirtschaftsentwicklung }
}

@book{harhoff1998,
	title = {Unternehmenssteuerreform, Innovationsförderung und Zukunftsinvestitionen},
	address = {Nomos-Verl.-Ges.},
	annote = {202 S.},
	author = {{Dietmar} Harhoff},
	edition = {1. Aufl.},
	howpublished = {Baden-Baden},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+246690526&sourceid=fbw_bibsonomy},
	year = {1998},
	biburl = {http://www.bibsonomy.org/bibtex/2579d939a9a507b4bca417fd9539fe133/fbw},
	description = {imported},
	isbn = {3-7890-5509-3},
	keywords = {imported }
}

@book{schwaiger2003,
	title = {Empirie und Betriebswirtschaft : Entwicklungen und Perspektiven},
	address = {Schäffer-Poeschel},
	annote = {XIII, 454 S},
	author = {{Manfred} Schwaiger and {Dietmar} Harhoff},
	howpublished = {Stuttgart},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+364116285&sourceid=fbw_bibsonomy},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/22bfec2725479fc73a35b24f6d1394430/fbw},
	description = {imported},
	isbn = {3-7910-2053-6},
	keywords = {imported }
}

@book{3540203664,
	title = {Open -Source -Software: Eine ökonomische und technische Analyse},
	author = {Bernd Brügge and Dietmar Harhoff and Arnold Picot and Oliver Creighton and Marina Fiedler and Joachim Henkel},
	edition = {1},
	publisher = {Springer, Berlin},
	url = {http://www.amazon.de/gp/redirect.html%3FASIN=3540203664%26tag=ws%26lcode=xm2%26cID=2025%26ccmID=165953%26location=/Open-Source-Software-%C3%B6konomische-technische/dp/3540203664%253FSubscriptionId=13CT5CVB80YFWJEPWS02},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/237bc170b8da2266943f434f63e900231/taspel},
	description = {Amazon.de: Open -Source -Software: Eine ökonomische und technische Analyse: Bernd Brügge, Dietmar Harhoff, Arnold Picot, Oliver Creighton, Marina Fiedler, Joachim Henkel: Bücher},
	ean = {9783540203667}, asin = {3540203664}, isbn = {3540203664},
	keywords = {bakk_07_open_source co-production media_economics open-data open_source }
}

@article{Harhoff1998,
	title = {Lending relationships in Germany - Empirical evidence from survey data},
	author = {Dietmar Harhoff and Timm K{\"o}rting},
	journal = {Journal of Banking \& Finance},
	month = {Oct},
	number = {10-11},
	pages = {1317--1353},
	url = {http://www.sciencedirect.com/science/article/B6VCY-3XY2958-4/1/991accc15bc6b44e1fe82f0e085093e4},
	volume = {22},
	year = {1998},
	biburl = {http://www.bibsonomy.org/bibtex/26e96c7a3a77d68c2df194874f8a38d8e/smicha},
	description = {Journal of Banking & Finance},
	keywords = {Lending relationships }
}

@article{Harhoff.2003,
	title = {Profiting From Voluntary Information Spillovers:  How Users Benefit by Freely Revealing Their Innovations},
	author = {Dietmar Harhoff and Joachim Henkel and Eric Von Hippel},
	journal = {Research Policy},
	number = {10},
	pages = {1753-1769},
	volume = {32},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/2b5f2d6ba76281bd5220866e3945e1e85/callagialla},
	abstract = {Empirical studies of innovation have found that end users frequently develop important product and process innovations. Defying conventional wisdom on the negative effects of uncompensated spillovers, innovative users also often openly reveal their innovations to competing users and to manufacturers. Rival users are thus in a position to reproduce the innovation in-house and benefit from using it, and manufacturers are in a position to refine the innovation and sell it to all users, including competitors of the user revealing its innovation. In this paper, we explore the incentives that users might have to freely reveal their proprietary innovations. We then develop a game-theoretic model to explore the effect of these incentives on users’ decisions to reveal or hide their proprietary information. We find that, under realistic parameter constellations, free revealing pays. We conclude by discussing some implications of our findings. Copyright 2003 Elsevier Copyright of Research Policy is the property of Elsevier Science Publishers B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts)
Empirical studies of innovation have found that end users frequently develop important product and process innovations. Defying conventional wisdom on the negative effects of uncompensated spillovers, innovative users also often openly reveal their innovations to competing users and to manufacturers. Rival users are thus in a position to reproduce the innovation in-house and benefit from using it, and manufacturers are in a position to refine the innovation and sell it to all users, including competitors of the user revealing its innovation. In this paper, we explore the incentives that users might have to freely reveal their proprietary innovations. We then develop a game-theoretic model to explore the effect of these incentives on users’ decisions to reveal or hide their proprietary information. We find that, under realistic parameter constellations, free revealing pays. We conclude by discussing some implications of our findings. Copyright 2003 Elsevier Copyright of Research Policy is the property of Elsevier Science Publishers B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts)},
	keywords = {BUSINESS enterprisesBUSINESSMENINCENTIVES in industryTECHNOLOGICAL innovationsKNOWLEDGE managementinnovationSpilloversDIFFUSIONLead users }
}

@article{Graham:2006p2333,
	title = {Can Post-grant Reviews Improve a Patent System Design?: A Twin Study of US and European Patents},
	author = {Stuart JH Graham and D Harhoff},
	journal = {Uni Mannheim work. p.},
	month = {Jan},
	url = {http://www.gesy.uni-mannheim.de/dipa/38.pdf},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/291ae434e4ab2b939032e805261eb95f8/bertil.hatt},
	description = {March 2008},
	date-added = {2007-11-27 11:13:58 +0100}, pmid = {7248097533365953353related:SaOp9U1qlmQJ}, local-url = {file://localhost/Users/bertilhatt/Documents/Papers/Graham/2006/Graham%202006%20Uni%20Mannheim%20work.%20p.pdf}, uri = {papers://C3B117CD-23C4-4854-9426-AC96AFB113DA/Paper/p2333}, date-modified = {2008-03-13 14:30:54 +0100}, read = {Yes}, rating = {0},
	keywords = {imported }
}

@article{Harhoff:2003,
	title = {Profiting from Voluntary Knowledge Spillovers: How Users Benefit by Freely Revealing their Innovations},
	author = {Dietmar Harhoff and Joachim Henkel and Eric Von Hippel},
	journal = {Research Policy 32},
	number = {10},
	pages = {1753-1769},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/248528925805d5787209d459f85fca472/torstenschuenemann},
	date-modified = {2007-11-03 10:39:05 +0100}, date-added = {2007-11-03 10:39:05 +0100},
	keywords = {OpenSource }
}