Adorno, Valentina ; Bernini, Cristina ; Pellegrini, Guido
(2007)
Comparing continuous treatment matching methods in policy evaluation.
[Preprint]
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Abstract
The paper evaluates the statistical properties of two different matching estimators in the case of continuous treatment, using a Montecarlo experiment. The traditional generalized propensity score matching estimator is compared whit a new two steps matching estimator for the continuous treatment case, recently developed (Adorno, Bernini, Pellegrini, 2007). It compares treatment and control units similar in terms of their observable characteristics in both selection processes (the participation decision and the treatment level assignment), where the generalized propensity score matching estimator collapses the two processes into one single step matching. The results show that the two steps estimator has better finite sample properties if some institutional rules define the level of treatment with respect to the characteristics of treated units.
Abstract
The paper evaluates the statistical properties of two different matching estimators in the case of continuous treatment, using a Montecarlo experiment. The traditional generalized propensity score matching estimator is compared whit a new two steps matching estimator for the continuous treatment case, recently developed (Adorno, Bernini, Pellegrini, 2007). It compares treatment and control units similar in terms of their observable characteristics in both selection processes (the participation decision and the treatment level assignment), where the generalized propensity score matching estimator collapses the two processes into one single step matching. The results show that the two steps estimator has better finite sample properties if some institutional rules define the level of treatment with respect to the characteristics of treated units.
Document type
Preprint
Creators
Keywords
continuous treatment, matching estimators, policy evaluation, L. 488 policy instrument, Montecarlo simulation
Subjects
DOI
Deposit date
31 Mar 2008
Last modified
16 May 2011 12:08
URI
Other metadata
Document type
Preprint
Creators
Keywords
continuous treatment, matching estimators, policy evaluation, L. 488 policy instrument, Montecarlo simulation
Subjects
DOI
Deposit date
31 Mar 2008
Last modified
16 May 2011 12:08
URI
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