-skilled labor increases. This suppresses wages of low-skilled workers and/or increases their unemployment rates. On the other hand … for the years 1970 - 2004, we document how the volatility of hours worked and of wages of workers at different skill …

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 …