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Even the population of business enterprises does not provide a comprehensive measure of ‘entrepreneurship’ in the United States because it excludes farmers, professionals, and other persons devoting at least part-time to selling their services in markets and who have neither an established place of business nor employees. A conservative estimate of the ‘entrepreneurial’ population is given by the number of individual income tax returns filed reporting income from self-employment. An estimated 11.1 million persons did so for 1968, one for each 18 persons in the United States. (en) |
