The Role of Entrepreneurship in US Job Creation and Economic DynamismRyan Decker, John Haltiwanter, Ron Jarmin and Javier Miranda ,
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Journal of Economic Perspectives
An optimal pace of business dynamics—encompassing the processes of entry, exit, expansion, and contraction—would balance the benefits of productivity and economic growth against the costs to firms and workers associated with reallocation of productive resources. It is difficult to prescribe what the optimal pace should be, but evidence accumulating from multiple datasets and methodologies suggests that the rate of business startups and the pace of employment dynamism in the US economy has fallen over recent decades and that this downward trend accelerated after 2000.