Results 71 to 80 of about 218,072 (208)
Estimation of the Distribution of Hourly Pay from Household Survey Data: The Use of Missing Data Methods to Handle Measurement Error [PDF]
Measurement errors in survey data on hourly pay may lead to serious upward bias in low pay estimates. We consider how to correct for this bias when auxiliary accurately measured data are available for a subsample.
Chris Skinner, Gabriele Beissel-Durrant
core
BMC AnesthesiologyBackground Acute kidney injury (AKI) is a common complication of major abdominal surgery that is associated with adverse patient outcomes including death.
Yang Song +5 more
doaj +1 more source
Do Regional Investment Grants Improve Firm Performance? Evidence from Sweden [PDF]
The effect of Swedish regional investment grants during 1990-1999 on firm performance, in terms of returns on equity and number of employees, were studied using a propensity-score matching-method to control for sample selection.
Ankarheim, Mattias +3 more
core +3 more sources
Evaluating Active Labor Markets in Romania [PDF]
We evaluate the presence of effects from joining one of four active labour market programs in Romania in the late 1990s compared to the no-program state.
Jacob Benus, Núria Rodríguez-Planas
core
The early socioeconomic effects of teenage childbearing [PDF]
A large body of literature has documented a negative correlation between teenage childbearing and teen mothers’ socioeconomic outcomes, yet researchers continue to disagree as to whether the association represents a true causal effect.
Dohoon Lee
core
A Farm Level Analysis of the Economic Impact of the MARENA Program in Honduras [PDF]
Impact Evaluation, Propensity Score Matching, Fixed Effects, Internal Rate of Return, Technical Efficiency, Honduras, International Development,
Bravo-Ureta, Boris E. +3 more
core +1 more source
Does Eco-Certification Have Environmental Benefits? Organic Coffee in Costa Rica [PDF]
Eco-certification of coffee, timber and other high-value agricultural commodities is increasingly widespread. In principle, it can improve commodity producers’ environmental performance, even in countries where state regulation is weak. However, evidence
Blackman, Allen, Naranjo, Maria A.
core
Sensitivity of propensity score methods to the specifications [PDF]
, 2005 Propensity score matching estimators have two advantages. One is that they overcome the curse of dimensionality of covariate matching, and the other is that they are nonparametric.
Zhao, Zhong
core
Is there a Superior Distance Function for Matching in Small Samples? [PDF]
The study contributes to the development of ’standards’ for the application of matching algorithms in empirical evaluation studies. The focus is on the first step of the matching procedure, the choice of an appropriate distance function.
Christian Schmeißer +2 more
core
Exact Matching as an Alternative to Propensity Score Matching
Statistics in Biopharmaceutical ResearchThe comparison of different medical treatments from observational studies or across different clinical studies is often biased by confounding factors such as systematic differences in patient demographics or in the inclusion criteria for the trials. Propensity score matching is a popular method to adjust for such confounding.
Ekkehard Glimm, Lillian Yau
openaire +2 more sources