This book consists of a selected subset of papers presented at the International Symposium of Linked Employer-Employee Data, held in Washington DC, in May 1998 - to address the creation and analysis of such matched data in an environment that safeguards respondent confidentiality. The conference brought together a wide range of social scientists and statisticians from more than 20 countries. Three broad themes are highlighted: the analysis of linked employer-employee data (The basic finding of this and the next section is that the firm matters a good deal in explaining the differences in...