Identification and estimation of econometric models with group interactions, contextual factors and fixed effects
نویسنده
چکیده
This paper considers identification and estimation of structural interaction effects in a social interaction model. The model allows unobservables in the group structure, which may be correlated with included regressors. We show that both the endogenous and exogenous interaction effects can be identified if there are sufficient variations in group sizes. We consider the estimation of the model by the conditional maximum likelihood and instrumental variables methods. For the case with large group sizes, the possible identification can be weak in the sense that the estimates converge in distribution at low rates. r 2006 Elsevier B.V. All rights reserved. JEL classification: C13; C21; R15
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