Identification issues in some double-index models for non-negative data

Georgios Papadopoulos, Joao Santos Silva

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We highlight a subtle identification problem that afflicts models for non-negative data in which the conditional expectation is specified as the product of a logit and an exponential function. The results are illustrated with an empirical model for medical expenditures.
Original languageEnglish
Pages (from-to)365-367
Number of pages3
JournalEconomics Letters
Issue number1
Publication statusPublished - Oct 2012

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