The views expressed in this research, including those related to statistical, methodological, technical, or operational issues, are solely those of the authors and do not necessarily reflect the official positions or policies of the Census Bureau or the Bureau of Economic Analysis, or the views of other staff members. The authors accept responsibility for all errors. This paper is released to inform interested parties of ongoing research and to encourage discussion of work in progress.
David S. Johnson
Research conducted while a Visiting Scholar at Russell Sage Foundation.