1. Biørn E (1990) A comparison of aggregate and disaggregate estimators for panel data models with measurement errors. Paper presented at the Sixth World Congress of the Econometric Society, Barcelona, August 1990. Memorandum from the Department of Economics, University of Oslo, No 21, 1990
2. Fuller WA, Battese GE (1974) Estimation of linear models with crossed-error structure. Journal of Econometrics, 2:67?78
3. Griliches Z (1986) Economic data issues. Ch 25 in Handbook of Econometrics, vol III ed. by Z Griliches, MD Intriligator. North-Holland, Amsterdam
4. Griliches Z, Hausman JA (1986) Errors in variables in panel data. Journal of Econometrics 31:93?118
5. Hsiao C (1986) Analysis of panel data. Cambridge University Press, Cambridge