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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
> > *
>
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