1. P. C. Afxentiou, “Underdevelopment and Government Intervention,”Rivista Internazionale di Scienze Economiche e Commerciali, 19, No. 10, 1972, pp. 954–70.
2. M. A. R. Ali, “Determinants of Government Revenue Shares in Developing Countries: A Note,”Public Finance, 27, No. 2, 1974, pp. 221–3.
3. S. Andic and J. Veverka, “The Growth of Government Expenditure in Germany Since the Unificafion,”Finanzarchiv, 23, 1963/64, pp. 169–278.
4. Roy W. Bahl, “A Regression Approach to Tax Effort and Tax Ratio Analysis,”IMF Staff Papers, 18, November 1971, pp. 570–608.
5. _____, “A Representative Tax System Approach to Measuring Tax Effort in Developing Countries,”IMF Staff Papers, 19, March 1972, pp. 87–112.