and Overview.- I Data and Modelling Strategies.- Can Cohort Data Be Treated as Genuine Panel Data?.- Estimating Time-Dependent Means in Dynamic Models for Cross-Sections of Time Series.- Using Panel Data to Estimate Risk Effects in Seemingly Unrelated Production Functions.- II Theoretical Results.- The Bias of some Estimators for Panel Data Models with Measurement Errors.- Models for Which the MLE and the Conditional MLE Coincide.- Exact Equivalence of Instrumental Variable Estimators in an Error Component Structural System.- A Survey of Recent Theoretical Developments in the Econometrics of Panel Data.- III Applications.- a) Models of Dividend Behavior, Long-Distance Calling and Freestanding Health Centres.- Estimation and Specification Analysis of Models of Dividend Behavior Based on Censored Panel Data.- Econometric Modelling of Canadian Long Distance Calling: A Comparison of Aggregate Time Series Versus Point-to-Point Panel Data Approaches.- A Panel Data Analysis of Productive Efficiency in Freestanding Health Clinics.- b) Applied Labor Studies.- Heterogeneous Labor and the Dynamics of Aggregate Labor Demand: Some Estimations Using Panel Data.- How Fragile are Male Labor Supply Function Estimates?.- c) Studies of Unemployment Compensation and Direct Foreign Investment.- Unemployment Compensation and Episodes of Nonemployment.- A Random Coefficient Simultaneous Equation System with an Application to Direct Foreign Investment by French Firms.