***** To join INSNA, visit http://www.insna.org ***** Hi Catherine, Thank you for your time and valuable information. It really adds up to Ezra´s work. Do you have any paper you can send me, in english or french? Thank you in advance, Celina > ***** To join INSNA, visit http://www.insna.org ***** > > Hi, > > To add to Ezra Zuckerman's information, I conducted a study on small firms > egocentric networks in the building industry in France for my PhD « Networks > and business : Performance and social capital of small firms in the building > industry ». A sample of 150 business owners were interviewed. I think this > choice of field, the same as that of E. Zuckerman (construction / home > remodeling), is not a coincidence: small business networks - either formal > or informal - are widespread in this industry. Remember Eccles seminal > article on Quasifirms. > > Two issues are dealt with in my study: the contingent value of social > capital of entrepreneurs in the building industry and their access to > business. Thanks to a structural approach combined with strategic analysis > and a sociotechnical perspective, it provides a better understanding of the > mechanisms of social capital, social structures of markets and collective > action of interdependant entrepreneurs. My main result is that the value of > social capital (in particular structural holes vs network closure) depends > on the position in the construction process and on the variability of the > activity. > > Interfirm relationships appear to play a big role in the regulation of such > production markets as well as in performance: 40% of a building industry > entrepreneur's most important business relations are to other small firms. I > differenciate between two performance measurements : profitability and > productivity. Relations between small firms have a straightforward impact > upon productivity. But more interestingly : this impact varies according to > the nature of firm activity. For instance, specialized firms benefit most > from relations with their peers, whereas such relations are detrimental to > those positionned upstream. > > Cheers, > > Catherine Comet > Clersé - CNRS > Institute of Sociology > USTL > 59655 Villeneuve d'Ascq cedex > France > > ----- Original Message ----- > From: "Ezra Zuckerman" > To: > Sent: Thursday, February 17, 2005 7:58 PM > Subject: Re: Networks of Small Businesses > > > > ***** To join INSNA, visit http://www.insna.org ***** > > > > Celina: > > > > You might find my work with Stoyan Sgourev > > (http://web.mit.edu/ewzucker/www/Peer%20Capitalism.pdf) on industry peer > > networks (and parallel relationships more generally) to be relevant. > Among > > other things, it includes the only survey data of which I am aware that > > describes the membership of firm egocentric network in an industry. And > > these are all small firms, as are (typically) members of industry peer > > networks more generally. > > > > Cheers, > > > > Ezra W. Zuckerman > > MIT Sloan School of Management > > 50 Memorial Drive, E52-564 > > Cambridge MA 02142 > > [log in to unmask] > > Tel: 617-253-1918 > > Fax: 617-253-2660 > > http://web.mit.edu/ewzucker/www/ > > > > > > *-----Original Message----- > > *From: Social Networks Discussion Forum [mailto:[log in to unmask]] On > > *Behalf Of celinabasto > > *Sent: Monday, February 14, 2005 10:01 AM > > *To: [log in to unmask] > > *Subject: Networks of Small Businesses > > * > > ****** To join INSNA, visit http://www.insna.org ***** > > * > > *Hi Steve! Hi Everybody! > > * > > *Is anyone working with small businesses networks? > > * > > *Brazilian government has defined clusters of small businesses as a > strategy > > *of development. As far as I have observed lots of efforts are > concentrated > > *in local infrastructure (Marshallian Industrial Districts) and very > little > > *is done about networks. > > * > > *Informations on the subject will be welcomed. > > * > > *"Abraços" from Brazil, > > * > > *Celina > > * > > _____________________________________________________________________ > SOCNET is a service of INSNA, the professional association for social > network researchers (http://www.insna.org). To unsubscribe, send > an email message to [log in to unmask] containing the line > UNSUBSCRIBE SOCNET in the body of the message. __________________________________________________________________________ Acabe com aquelas janelinhas que pulam na sua tela. AntiPop-up UOL - É grátis! http://antipopup.uol.com.br/ _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.insna.org). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.