1.                "A Model for High Income Distribution," in Takayasu, H. (Ed), The Application of Econophysics, Springer, Tokoyo, 2004. (Co-author)


2.        "A Model for Distribution of High-Tax Payers," Japan Journal of Industrial and Applied Mathematics Vol. 20, No. 2, June 2003, (Co-author)       


1.      "Interest Rate, Inflation and the Level of Inventory", the Proceedings of the Annual Midwest Business Administration Association. Chicago, IL. March 30, 1995.


2.                 "Quantity Theory of Money and Inflation: The Indonesian Experience", in the Proceedings of the Pan-Pacific Conference VI. Sydney, Australia. May 29-June 1, 1989.


3.                 "Forecasting the Index of Consumer Sentiment." Development in Marketing Science - Proceeding of the 9th Annual Conference of Marketing Science. Vol. VIII. N. K. Malhotra, Editor. 1985. (Co-author)


4.                 "Determinants of the Levels of Deposits in Credit Unions." Business Journal. 1983. (Co-author)


5.                 "Causality and Consumer Sentiment," in the Proceedings of the Northeast American Institute Decision Sciences. 1982.

6.                 "Unfilled Orders and Price Changes: A Simultaneous Equations System." Managerial and Decision Economics. Vol. 2, No. 2, 1981. (Co-author)


7.                 "Consumer Demand and Supply Installment Credit: A Simultaneous Equations System." The Financial Review. Winter Issue. 1981. (Co-author)


8.                 "Minimum Wage Rates - Output Rigidity and Price Changes." Keio Economic Studies. 1981. (Co-author)


9.                 "A Macroeconomic Model for Columbia." Proceedings of the Eleventh Annual Conference on Modeling and Simulation. 1980. (Co-author)


10.             "An Econometric Model for the Mexican Economy, 1942-67." Proceedings of the Ninth Annual Conference on Modeling and Simulation. Vol. 9. 1979. (Co-author)


11.             "Fiscal and Monetary Influences on Economic Activity in India." Journal of Economic Development. Vol. 4, No. 1, 1979. (Co-author)


12.             "Urban Growth and Environment." Growth and Change. January 1976.


13.             "Crimes and Socio-economic Environments." Social Indicators Research. Vol. 1, 1975. (Co-author)


14.             "Unemployment and the Rate of Change in Money Wage Rates in Switzerland." Revue Suisse d'Economic Politique et de Statistique. No. 1, 1974.


15.             "Gandhi's Influence on Indian Economic Planning: A Critical Analysis." The American Journal of Economics and Sociology. July 1973. (Co-author)


16.             "The Phillips Curve--An International Phenomenon." Rivista Internazionale di Scienze Economiche E Commer-ciali, July, 1973. (Co-author)


17.             "The Phillips Curve for West Germany." KYKLOS. No. 2. 1971. (Co-author)


18.             "Unemployment and the Changes in Wage Rates in the Member Countries of the European Economic Community." Rivista Internazionale Di Scienze Economiche E Commerciali. No. 6. 1971 (Co-author)


19.             "Male and Female Income Differentials--A Case of Arkansas." Arkansas Business and Economic Review. August 1971. (Co-author)


20.             "The Phillips Curve for Italy." Economic Internazionale. 1971, No. 3-4. (Co-author)


21.             "The Phillips Curve for Belgium." Tijdschrift Voor Economie. No. 3, 1970. (Co-author).


22.             "The Relationship between the Rate of Change in Money Wage Rates and Unemployment Levels in South Africa. The Journal of South African Economics. December, 1970. (Co-author)


23.             "Economic Policy and India's Socialistic Society." Economic Problems of India: An Analytical Approach. J.S. Uppal, Editor. Tata McGraw Hill Publishing Company; New Delhi. 1975.