1. R. Disney, and E. Whitehouse (1991 ), 'Occupational and industrial earnings over time: the use of pooled cross-section data', Institutefor Fiscal Studies, Working Paper no. W91/7.
2. V. C. Fry, E. M. Hammond, and J. A. Kay (1985 ), Taxing Pensions, Report Series no. 14London: Institute for Fiscal Studies.
3. J. Hills (1984 ), Savings and Fiscal Privilege, Report Series no. 9, London: Institute for Fiscal Studies.