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From | Kit Baum <baum@bc.edu> |
To | statalist@hsphsun2.harvard.edu |
Subject | st: New -hte- package available from SSC |
Date | Thu, 25 Feb 2010 06:28:28 -0500 |
A new package called -hte-, authored by Ben Jann, Jennie E. Brand, and Yu Xie, is available from the SSC Archive. In Stata type . ssc install hte to install the package. -hte- is a command to perform heterogeneous treatment effect analysis. It uses -pscore- by Becker and Ichino (2002) to construct balanced propensity score strata and, within each stratum, estimates the average treatment effect. -hte- then tests for linear trend in treatment effects using variance-weighted least squares. The stratum-specific treatment effects and the estimated linear trend are displayed in a twoway graph. Note that the -pscore- command is required, which is available from the Stata Journal website (type -net sj 5-3 st0026_2- in Stata). An application of this methodology appears in Brand and Xie (2010). Best, Ben Jann (jannb@ethz.ch) References: Becker, Sascha O., and Andrea Ichino. 2002. Estimation of average treatment effects based on propensity scores. The Stata Journal 2:358-377. Brand, Jennie E. and Yu Xie. 2010. Who Benefits Most from College? Evidence for Negative Selection in Heterogeneous Economic Returns to Higher Education. American Sociological Review 75(2). (posted for Ben Jann) * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/