Industrial and Corporate Change · 2011 · 182 citations · 39 references
Firms with high shares of workers on fixed-term contracts tend to have higher sales of imitative new products but perform significantly worse on sales of innovative new products ("first on the market"). High functional flexibility in "insideroutsider" labor markets enhances a firm's new product sales, as do training efforts and highly educated personnel. We find weak evidence that larger and older firms have higher new product sales than do younger and smaller firms. Our findings should be food for thought to economists making unqualified pleas for the deregulation of labor markets.
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Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.4K citations