Luiz Koodi Hotta

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The Center for Statistics and the Social Sciences started in 1999, with funding from the University Initiatives Fund. It is the first center in the nation devoted to this interface, with the triple mission of galvanizing collaborative research between social scientists and statisticians, developing a menu of new graduate courses for social science students,(More)
Knowledge of contagion among economies is a relevant issue in economics. The canonical model of contagion is an alternative in this case. Given the existence of endogenous variables in the model, instrumental variables can be used to decrease the bias of the OLS estimator. In the presence of heteroskedastic disturbances this paper proposes the use of(More)
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