Two-Part Models for Fractional Responses Defined as Ratios of Integers

This paper discusses two alternative two-part models for fractional response variables that are defined as ratios of integers. The first two-part model assumes a Binomial distribution and known group size. It nests the one-part fractional response model proposed by Papke and Wooldridge (1996) and, t...

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Bibliographic Details
Main Authors: Harald Oberhofer, Michael Pfaffermayr
Format: Article
Language:English
Published: MDPI AG 2014-09-01
Series:Econometrics
Subjects:
Online Access:http://www.mdpi.com/2225-1146/2/3/123