For a sample of small, entrepreneurial firms, subjective cost curve estimates are obtained by field work methods using an administered questionnaire and "show cards." They indicate the prevalence of static, short-run increasing returns up to maximal output for a wide range of products in...

This paper indicates how a stadial analysis of the Smithian type can be constructed explicitly. It involves treating each stage in terms of a complete growth trajectory. The paper starts by constructing an explicit example of a complete, single growth trajectory. Then the Smithian stadial...