In this paper, we argue that wage volatility is a good proxy for wage inequality because of the strong and lagged …

standardized individual wages. In particular, a heteroskedastic autoregressive model with multiple individual fixed effects is … proposed. The expression for a modified likelihood function is obtained for estimation and inference in a fixed-T context …. Using a bias-corrected likelihood approach makes it possible to reduce the estimation bias to a term of order 1/T². The …