Castillo, Maria Jose; Useche, Pilar; Moss, Charles - In: Applied Economics Letters 17 (2010) 6, pp. 537-541
This article shows the convenience of combining the Country-Product- Dummy (CPD) model and the Theil-Goldberger (TG) mixed estimator to obtain better estimates of missing prices than those obtained by marginal mean imputation. We use the TG estimator to combine aggregate price data for regions...