on Income Maintenance Programs: Technical Studies. Washington, D.C.: U.S. Government Printing Office.

Wolfson, M., Gribble, S., Bordt, M., Murphy, B., and Rowe, G. 1989 The Social Policy Simulation Database and Model: An example of survey and adminstrative data integration. Survey of Current Business (May):36–39.

Wyscarver, Roy A. 1978 The Treasury Personal Individual Income Tax Simulation Model. Office of Tax Analysis Paper 32. Washington, D.C.: U.S. Department of the Treasury.