A note on Heckman-type corrections in models for zero expenditures
In Heien and Wessells (1990), a two-step estimation procedure, that makes use of Heckman-type corrections, is proposed to estimate consumption on household budget surveys. It is shown that this approach, which draws from switching regressions models, leads to inconsistent estimates.
Document Type: Research Article
Publication date: 20 July 2001
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