The matching function describes the flow of job creation as a function of the stocks of unemployed and vacancies. Most empirical work tries to identify such a relationship by regressing the flow of matches (aggregated over the month) on the stocks of unemployment and vacancies measured at the...

In a well-known article, Blattberg and Jeuland (Blattberg, R. C., A. P. Jeuland. 1981. A micromodeling approach to investigate the advertising-sales relationship. (September) 988–1005.) apply nonlinear estimation to a market level model based on aggregation of an individual level model of...