نتایج جستجو برای: propensity score matching jel classification f61

تعداد نتایج: 810493  

2004
Kari Hämäläinen Virve Ollikainen

This study evaluates the long-run effects of Finnish active labour market programmes in youth labour markets. The effectiveness of programmes is measured by a number of outcomes, including employment, unemployment, programme participation, education, being out-of-labour force and annual earnings. A nonparametric propensity score matching approach adapted for the case of multiple programmes is a...

2015
Hitoshi Sato

This paper examines a simple model of outsourcing involving matching frictions and home bias in firms’ acquisition of intermediate goods. Two groups of seller firms—local sellers and foreign sellers—may face different degrees of search frictions even though they are identical in terms of productivity. Two groups of buyer firms are considered: one group accepts local and foreign sellers equally,...

Journal: :بینا 0
لیلا جانانی l janani tehran university of medical sciences, tehran, iranدانشکده بهداشت- دانشگاه علوم پژشکی تهران سیامک مرادیان s moradian ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم حمید احمدیه h ahmadieh ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم کاظم محمد k mohammad tehran university of medical sciences, tehran, iranدانشکده بهداشت- دانشگاه علوم پژشکی تهران بنفشه گلستان b golestan tehran university of medical sciences, tehran, iranدانشکده بهداشت- دانشگاه علوم پژشکی تهران محمدحسین فروزانفر mh forouzanfar tehran university of medical sciences, tehran, iranدانشکده بهداشت- دانشگاه علوم پژشکی تهران

*corresponding author: [email protected] purpose: to compare the visual and anatomical outcomes and complications of two surgical methods in patients with pseudophakic / aphakic retinal detachment (pard) using propensity score analysis. methods: in this study, the propensity score matching was used as a new approach to control confounding factors. propensity score was calculated using the...

Journal: :Journal of Nuclear Cardiology 2017

Journal: :Statistical Methods in Medical Research 2016

Journal: :American Journal of Epidemiology 2006

2017
María Verónica Alderete

The purpose of this paper is to determine how much is the “bonus” or “prize” to the sales per worker of Internet-using firms compared to not Internet-using firms. The author employs matching techniques based on an Argentinean database. The author first presents a binary logit model, in which the dependent variable is a dichotomous variable equal to 1 if the firm adopted Internet and 0 otherwise...

2017
Robert M. Cannon Robert M Cannon

PROPENSITY SCORE MATCHING FOR SURGICAL OUTCOMES WITH OBSERVATIONAL DATA Robert M. Cannon, 3/26/2012 Because of limitations in randomized controlled trials, medical researchers are often forced to rely upon studies of observational data. Confounding is a major difficulty encountered in such studies that can create considerable bias in estimates of treatment effects. Propensity score analysis was...

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