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Percentage<br />

Global Markets<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

In any regional economy, firms that sell out-ofregion<br />

play the major role in driving economic growth<br />

because, as these firms grow in total revenues, they<br />

also are growing in local employment, and they<br />

create markets for utilities, service firms, retailers, and<br />

other local-market businesses. MIT alumni companies<br />

have a disproportionate importance to their local<br />

economies because so many of them are<br />

manufacturing, biotech, and software firms (48<br />

percent of the employment of MIT alumni companies)<br />

that tend to compete in and sell to national and<br />

world markets. Overall, 54 percent of company sales<br />

are to out-of-state markets; 13 percent of total sales<br />

come from goods or services sold by U.S. firms<br />

abroad. Figure 7 shows these percentages by<br />

industry. For electronics, chemical, machinery, biotech,<br />

software, and management consulting firms, 65<br />

percent of sales are out-of-state. The only companies<br />

The Role of MIT Alumni Companies in the U.S. Economy<br />

Figure 7<br />

Sales of MIT Alumni Companies Out-of-State<br />

and Exported Abroad<br />

Proportion of Revenue not from Founding State<br />

Aero/Astro<br />

Architecture<br />

Biomed<br />

Chemicals<br />

Consumer Products<br />

Consult<br />

Electronics<br />

Energy<br />

Finance<br />

Law, Misc.<br />

Machinery<br />

Publishing<br />

Software<br />

Telecom<br />

Other<br />

Other Mfg.<br />

Percent of Revenue from Out-Of-State<br />

Percent of Revenue from Exports<br />

that have in-state sales amounting to 50 percent or<br />

more of total revenues are architects, finance<br />

companies, publishing, and law firms.<br />

Across all industries, exports (outside of the<br />

United States by U.S.-based firms) account for<br />

13 percent of the sales revenues of MIT alumni<br />

companies. Exports are slightly higher for biomedical,<br />

machinery, and electronics firms (more than<br />

20 percent). Companies in all other industries have an<br />

average export share of just under 10 percent. These<br />

high-tech, high-growth industries clearly depend on<br />

foreign as well as domestic markets.<br />

Figures 8 and 9 present the distributions by<br />

industry of the 2003 survey responses. Among<br />

manufacturing industries, electronics has held its own<br />

for six decades as a major opportunity area for MIT<br />

alumni entrepreneurs. On the services side, software<br />

firms have grown strikingly as a percentage of firms<br />

founded since the 1950s. Also of note is the rapid<br />

ENTREPRENEURIAL IMPACT: THE ROLE OF MIT 19

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