Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/71344 
Authors: 
Year of Publication: 
2009
Series/Report no.: 
UCD Centre for Economic Research Working Paper Series No. WP09/09
Publisher: 
University College Dublin, UCD School of Economics, Dublin
Abstract: 
I show a simple back-of-the-envelope method for calculating marginal effects in binary choice and count data models. The approach suggested here focuses attention on marginal effects at different points in the distribution of the dependent variable rather than representative points in the joint distribution of the explanatory variables. For binary models, if the mean of the dependent variable is between 0.4 and 0.6 then dividing the logit coefficient by 4 or multiplying the probit coefficient by 0.4 should be moderately accurate.
Subjects: 
Marginal effects
Binary choice
Count data
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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