... adaptation and growth, the dynamics of the self-employed, useful definitions of business organizations and theirscope of operations, job and worker flows, financial and other busi-ness-to-business ... data from an array of sources—private and public, business- and house-hold-based, cross-sectional and longitudinal, survey and administrative,national and subnational—that permit business dynamics ... differ sub-stantially and systematically in booms and recessions. Possible sources ofthese discrepancies include inconsistent treatment of the self-employed,multiple job holders, and off-the-book...