Early-career trajectories of young workers in the U.S. in the context of the 2008-09 recession: The effect of labor market entry timing.

Model fit Goodness-of-fit statistics at the bottom of Tables 5 – 6 show that selection bias was present in the model data; the inverse Mills ratio (IMR), which is given by sigma * rho , where sigma is the standard error of the residuals in the probit equation and rho estimates the correlation between the residuals of the probit and OLS equations, was highly significant.

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