This research examines the properties of an estimation procedure frequently used because observations on some variables are available only at higher levels of aggregation than others. When this occurs, data are often stretched by repeating observations on variables at higher levels of...

School effectiveness is a much-debated question both at an analytical level and as a policy issue. In this paper we used a two-way nested-error components educational production function model to evaluate the relative importance of latent class and school variables in explaining student school...

This paper examines important differences in simulation properties of four leading U.K. macroeconometric models that arise from features of their labor market specification. Econometric evaluation of model equations and their subsequent respecification, together with sensitivity analysis of...