Knowledge Flows Embodied in Recent PhDs…or The News from Texas this August
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Knowledge Flows Embodied in Recent PhDs…or The News from Texas this August
Paula StephanAndrew Young School
Georgia State UniversitySeptember 2006
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Acknowledgements
Support has come from the Mellon Foundation, SEWP at NBER, NSF and Kauffman
Thank Brent Goldfarb, Al Link and Fiona Murray for sharing data
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Motivation
Knowledge flows from universities to firms play important role in fostering innovation
Flows follow a variety of paths Face-to-face transmission important when
tacit knowledge is involved. Placement of new PhDs with industry
provides one mechanism for transmitting tacit knowledge.
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“The best way to send information is to wrap it up in a person”* J. Robert Oppenheimer
“The eternal apprentice,” TimeMagazine, vol. 52, p. 81
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Or…from the perspective of economists
“The export of scientists and engineers from the academy to industrial research is potentially the most important and salutary among the mechanisms available for effecting knowledge transfers.”
Dasgupta and David 1994
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But Little Known About These Knowledge Flows
Where do the new PhDs train? Do they go to work with firms in close
proximity? Or “fly the coop”? Lack of knowledge relates to absence
of data concerning placement of new PhDs going to work in industry
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In Terms of Knowledge Production Function
Considerable interest in sources of knowledge inputs in the knowledge production function (Griliches)
Knowledge sources external to the firm have received considerable attention
Proximity to knowledge sources seen to be important in facilitating innovation
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Objective for today
Analyze new data source concerning placements of new PhDs with firms
Examine what data say about sources of new knowledge production and location of hiring firms; how important is proximity?
Role of firm size Role of public initiatives
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Data Source
Survey of Earned Doctorates administered to all new PhDs since 1958 (NSF)
92% response rate Asks those with definite plans (63%)
where they will work after graduation: Name the organization and geographic
location where you will work or study.
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So What Makes It a New Data Source?
Industrial placement information has never been coded
But, since 1997 verbatim files have been kept of answers to “where are you going to work” question
We coded verbatim for 1997-2002 placements for those trained in S&E
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Summary of Data
21,765 identified a firm where they were gong to work
Represents 15% of those receiving PhDs in S&E during the period
Undercounts in two serious ways: No information for 37% who said they had plans
to work in industry but had yet to be offered or accept a job in industry.
Many scientists and engineers who go to work in industry initially take a postdoctorate position.
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1997-1999
2000-2002
Percent of PhDs Going to Industry
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Large or Small Firms?
About 40% go to a top 200 U.S. owned R&D firm in U.S. Computer scientists, engineers and
chemists most likely—around 45%; astronomers close behind.
Biology, medicine, agriculture and “other” least likely.
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Drilling Down
Include foreign-owned top R&D firms operating in U.S. percent up to 44%
Add firms (U.S. and foreign-owned) operating in U.S. ranked in top 660 in terms of R&D and percent climbs to just shy of 50%.
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Role of Small Firms
Finding suggests that small firms play a larger role in innovation than R&D data would suggest Top 200 R&D firms expend more than
70% of all R&D in U.S. Hire only 40% of new PhDs
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Role of Consulting firms and financial services
Data suggest that many of new PhDs work for consulting firms and financial services, not manufacturing firms.
Consistent with idea that much of innovative activity in today’s world is not restricted to products; also occurs in processes
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Examples
Financial Services: over 250 go to such firms as American Express, Morgan Stanley, Goldman Sachs, Merrill Lynch, Fannie Mae
Consulting firms—over 350 go to firms such as Charles Rivers, Arthur Andersen, McKinsey, Price Waterhouse, Boston Consulting
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Where Do They Train?
New England and Middle Atlantic: 25%
Pacific States: 17% Mid West: 27% South Atlantic: 15% Other: 16%
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University R&D
University R&D expenditures often used as a measure of knowledge available to spillover
Compare placements to R&D expenditures
Greater than 1 infer R&D understates availability of knowledge spillovers; Smaller than 1 overstates.
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Training Relative to R&D
New England and Middle Atlantic: 1.1 Pacific States: 1.0 Midwest: 1.26 South Atlantic: .81 Other: .79 Suggests that R&D data understate
knowledge spillovers coming out of some universities; overstate that coming out of other universities.
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Top Five Producing Universities
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527
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Next Five
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High Quality Universities
6 of the top 20 training-universities are on the list of the recent ranking of the world’s top 20 universities: Stanford (3rd); Berkeley (4th); MIT (5th);
Cornell (12th); UCLA (14th) and Wisconsin (16th)
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Observations
Heavily concentrated: Top 10 educate 25% of those going to industry
Midwest plays an important role: five of top-ten are in the Midwest Illinois Purdue Minnesota Michigan Wisconsin
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Retention by Region
48% stay in the region of training Pacific Region retains 70% Mid Atlantic retains 51% New England 46% Midwest 37%
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State Retention
37% stay in state of training Midwest states retention is low
Iowa retains 14% Indiana retains 12% Wisconsin retains 18%
Pacific states is high California retains 70%
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State stay Rate Low Compared to
Law school graduates: 57% stay in state
Bachelors and Masters in science: 64%
Bachelors and Masters in engineering 62%
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Does it help to have a science park? Retention?
Wide interest in science parks in U.S. around universities
Universities around RTI place 673 PhDs with industry in six-year period; 39 of these are working in the RTI science park—represents 50% of RTI park PhD hires of new PhDs during period.
Four mid-west universities placed 1559 PhDs with industry during period. Only 8 were placed at affiliated science parks—and this represented 50% of the hires by these parks.
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Role of science parks
Suggests minimal employment for newly minted PhDs
Even the jobs they provide are as likely to go to individuals outside the area as those trained in area
Firms doing the hiring are not necessarily small—but often large firms drawn to park such as BASF, Bayer, IBM, Nortel.
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Role of Startups
Big School: 86 startups between 1995-2002; 11 of these hired one or more new PhDs for a
total of 14 hires. 7 of these firms started jointly with faculty at a
sister institution 12 of the 14 hires occurred in close proximity to
Big School; 2 of these received PhD from Big School; 6 received PhD from co-founding sister institution.
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Startups continued
Majority of hires from local institutions Faculty appear to play a role in
placements—plausible connection between faculty and firm in 8 of the 12
Startups provide a miniscule amount of employment in the PMSA level or among the newly minted PhDs trained at Big School
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Role of licensing
Case study of Stanford, period one 22.2% of newly-minted PhDs going to
industry took a position with a firm that had licensed one or more Stanford technologies during the period.
28.9% of Stanford PhDs take such a position compared to 21.8% of others.
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Differential Rate
Licensing process often establishes formal relationships between faculty and the firm licensing the technology which may foster job placements
Much of technology that is licensed is “proof of concept” and requires expertise to develop (Jensen, Thursby and Thursby and Thursby and Thursby). Students who have worked in mentor’s lab have this expertise.
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Role of Geography
27% of hires made by non-licensing firms in the San Jose area are Stanford students
10% of hires by licensing firms in San Jose area are Stanford students.
Lower hiring rate may reflect that in close proximity faculty are a substitute for students.
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Conclusion
News from Texas this August…state decided to invest $2.5 billion for science teaching and research in the University of Texas system.
Primary focus building research capacity at San Antonio, El Paso and Arlington.
Goal: turn these into next Austin.
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Texas not alone
University of California system State biotech initiatives Many examples in Europe Outside of Europe as well Not new…at least in U.S. States have
a long tradition of using public universities to promote economic development and growth.
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Overreacted?
Possibility exists that states (and nations) have overreacted in belief that centers of knowledge excellence lead to economic development.
States should be leery of investing in things that can move (Austan Goolsbee 2006)
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Mobility
Ideas once codified are public and mobile
Faculty consult; start companies outside the area
Newly minted PhDs going to industry are likely to move--only 37% stay
Moreover, the “best” are more likely to leave.
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Retention policies?
Case studies suggest that university technology initiatives do little to encourage retention Science Parks—no more likely to provide
employment for locals than non-locals Startups hired locally trained, but number is
miniscule Firms in San Jose that licensed Stanford
technology are considerably less likely to hire Stanford PhDs than are San Jose firms who have not licensed Stanford technology
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Some closing thoughts
Findings remind us that an economic development strategy built on developing and retaining local knowledge may be fragile at best.
Findings raise larger question of whether role of proximity to university is overemphasized in transmission of public knowledge from universities to firms.
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Sources of knowledge
Top source is publications and reports—proximity not important
Second source informal information exchange, public meetings, conferences, consulting—proximity helps
Next tier includes recently-hired graduate students. In this respect proximity--as we have shown—does not play a major role.