The aggregation of individual random AR(1) models generally leads to an AR(∞∞) process. We provide two consistent …

The aggregation of individual random AR(1) models generally leads to an AR(∞) process. We provide two consistent …

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 …

We put forward a brand choice model with unobserved heterogeneity that concerns responsiveness to marketing efforts. We … choice models that account for various forms of heterogeneity for three different datasets, we find better face validity for …