The Two-Stage Least Squares (2-SLS) is a well known econometric technique used to estimate the parameters of a multi-equation (or simultaneous equations) econometric model when errors across the equations are not correlated and the equation(s) concerned is (are) over-identified or exactly...

Using 1987, 1996, and 2004 data, we show that the gender pay gap in the Chinese urban labor market has increased across the wage distribution, and the increase was greater at the lower quantiles. We interpret this as evidence of the “sticky floor” effect.We use the reweighting and recentered...