epub, pdf |eng | 2000-06-23 | Author:Marno Verbeek [Verbeek, Marno]

7.4.4 Specification Tests in the Tobit Model A violation of the distributional assumptions on will generally lead to inconsistent maximum likelihood estimators for and . In particular, non-normality and heteroskedasticity ...

mobi, epub |eng | 2008-01-15 | Author:Tim Harford

SCHELLING’S CHESSBOARD MODEL suggests that transformations such as Fifteenth Street’s should be impossible: Things always fall apart, people always give in to their prejudices, and small anxieties lead to big ...