Mathematics – Statistics Theory
Scientific paper
2007-01-05
Proceedings of the conference WSOM 2003 Kitakiushu, Japan (2003) 331-339
Mathematics
Statistics Theory
Scientific paper
Pseudo panels constituted with repeated cross-sections are good substitutes to true panel data. But individuals grouped in a cohort are not the same for successive periods, and it results in a measurement error and inconsistent estimators. The solution is to constitute cohorts of large numbers of individuals but as homogeneous as possible. This paper explains a new way to do this: by using a self-organizing map, whose properties are well suited to achieve these objectives. It is applied to a set of Canadian surveys, in order to estimate income elasticities for 18 consumption functions..
Cottrell Marie
Gaubert Patrice
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