With a continuous decline in the cost of manipulating data and a continuous increase in the richness of data banks, policymakers have increasing opportunities to build and apply so-called micro-simulation models--modelsthat attempt to simulate the behavior of the individuals in a large...

Over the last decade or so, a substantial effort has gone into the design of a series of methodological investigations aimed at enhancing the quality of survey data on income and wealth. These investigations have largely been conducted at the Survey Research Center at the University of Michigan,...