Econometric analysis of count data up to date survey of econometric and statistical techniques presentation of theory as well as applications in economics marketing sociology. The primary objective of this book is to provide an introduction to the econometric modeling of count data for graduate students and researchers it should serve anyone whose interest lies either in developing the field fur ther or in applying existing methods to empirical questions. The count data eld has further ourished since the previous edition of this book was . The book provides graduate students and researchers with an up to date survey of statistical and econometric techniques for the analysis of count data with a focus on conditional distribution