TY - RPRT AU - Jenkins, Stephen P. AU - Rios-Avila, Fernando TI - Modelling Errors in Survey and Administrative Data on Employment Earnings: Sensitivity to the Fraction Assumed to Have Error-Free Earnings PY - 2020/Apr/ PB - Institute of Labor Economics (IZA) CY - Bonn T2 - IZA Discussion Paper IS - 13196 UR - https://www.iza.org/index.php/publications/dp13196 AB - Kapteyn and Ypma (Journal of Labour Economics 2007) is an influential study of errors in survey and administrative data on employment earnings. To fit their mixture models, Kapteyn and Ypma assume a specific fraction of their sample have error-free earnings. Using a new UK dataset, we assess the sensitivity of model estimates and post-estimation statistics to variations in this fraction and find some lack of robustness. KW - Kapteyn-Ypma model KW - measurement error KW - misclassification error KW - labour earnings ER -