Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/125406
Authors: 
Black, Dan A.
Year of Publication: 
2015
Citation: 
[Journal:] IZA World of Labor [ISSN:] 2054-9571 [Year:] 2015 [Issue:] 186
Abstract: 
“Matching” is a statistical technique used to evaluate the effect of a treatment by comparing the treated and non-treated units in an observational study. Matching provides an alternative to older estimation methods, such as ordinary least squares (OLS), which involves strong assumptions that are usually without much justification from economic theory. While the use of simple OLS models may have been appropriate in the early days of computing during the 1970s and 1980s, the remarkable increase in computing power since then has made other methods, in particular matching, very easy to implement.
Subjects: 
matching
ordinary least squares (OLS)
functional form
regression
JEL: 
C10
C14
J00
J08
Persistent Identifier of the first edition: 
Document Type: 
Article

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