This chapter covers recent solutions to aggregation problems in three application areas: consumer demand analysis …, consumption growth and wealth, and labor participation and wages. Each area involves treatment of heterogeneity and nonlinearity … at the individual level. Three types of heterogeneity are highlighted: heterogeneity in individual tastes, heterogeneity …

In the aggregation literature, prices and price and income derivatives are often assumed not to vary across consumers … and income changes. In this paper we develop and illustrate a framework for consistent aggregation over consumers within … across consumers. We show how the frameworks previously discussed in the literature on aggregation of an AIDS model may be …

of economic research. Some differences are due to seasonal variations in demand, but temporal aggregation bias is … dynamic components. We show that it is possible to observe temporal aggregation bias in a seasonally adjusted static model … the variation in seasonal demand across consumers. To show this, we develop a method for aggregation based on an Almost …

of economic research. Some differences are due to seasonal variations in demand, but temporal aggregation bias is … dynamic components. We show that it is possible to observe temporal aggregation bias in a seasonally adjusted static model … the variation in seasonal demand across consumers. To show this, we develop a method for aggregation based on an Almost …

nonstationarity of aggregate demand errors, based on aggregation of consumers with heterogeneous preferences in a slowly changing …