Doan,
To decide what success measure is appropriate, you need to decide what stakeholder, population and questions you are studying. Let me offer a few examples.
For what is disparaging referred to as a "lifestyle" business, the entrepreneur may want the greatest chance of a salary-replacement job with more autonomy. For a Silicon Valley serial entrepreneur, they buy 3 or 4 lottery tickets in their careers and hope that one leads to a $10+ million exit that means they don't work again (see also Amit et al, 2001). But frankly entrepreneurial motivations vary considerably (cf. Carter et al 2003)
For a VC (or other investor), success is a quick high return on invested capital as part of a portfolio of a few big winners and lots of losers. For an economic development agency, it's employment growth (jobs created), and perhaps the salary levels of those jobs.
So if you are studying factors that lead to the creation of high growth businesses, you would use one measure of "success"; most of this literature focuses on the exit event -- sale or IPO. If you are studying entrepreneurs achieving the goals they set out to achieve, then you would need to ask entrepreneurs to articulate those goals as one of the questions.
Finally, it is very hard to get measures of success for nonpublic companies, so survival is often used as a proxy (your N years in a business). But that's more a data sufficiency argument than a theoretical claim that this is what founder or investors define as "success".
Joel
PS: I would not recommend that you read Shane's latest book unless you want to know what a contrarian view looks like -- which is really only useful after you understand the broader brush of decades of research.
R Amit, KR MacCrimmon, C Zietsma, JM Oesch - Does money matter? Wealth attainment as the motive for initiating growth-oriented technology ventures, Journal of Business Venturing, 2001
Nancy M. Carter, William B. Gartner, Kelly G. Shaver, Elizabeth J. Gatewood, The career reasons of nascent entrepreneurs, Journal of Business Venturing 18 (2003) 13 - 39
On 12:00 AM -0500 3/10/08, ENTREP automatic digest system hath said:
>Date: Sat, 8 Mar 2008 16:59:38 -0600
>From: David Touve <
david.touve@VANDERBILT.EDU>
>Subject: Re: Entrepreneurial Success
>
>I might suggest you take a peek through Shane's recent book - =20
>Illusions of Entrpreneurship.
>
>The point being, why entrepreneurs start busineses would perhaps point =20=
>
>to different measures than sales, size and even profit when the =20
>measure of interest is something as multi-faceted as success.
>
>david touve
>
>On Mar 8, 2008, at 10:44, DOAN WINKEL <
doanemil@MSN.COM> wrote:
> > I am an early doctoral student and have been asked to come up with a =20=
> > couple items to include on a survey to get at the success of an =20
> > entrepreneur. Is there a standard metric (one or two questions) =20
> > used in the field to get at the level of success? Sales? Assets? =20=
> > # employees? E years in business? Any related citations would be =20
> > appreciated, and I can post a summary of replies.
--
Joel West
http://www.JoelWest.org/
Associate Professor, Innovation & Entrepreneurship
College of Business, San Jose State University
BT 555, One Washington Square, San Jose, CA 95192-0070
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