Results 51 to 60 of about 18,306,499 (332)
Matching and Regression to the Mean in Difference‐in‐Differences Analysis
Health Services Research, 2017 OBJECTIVE To demonstrate regression to the mean bias introduced by matching on preperiod variables in difference-in-differences studies. DATA SOURCES Simulated data.
J. Daw, Laura A. Hatfield
semanticscholar +1 more source
Mesure et Évaluation en Éducation, 2014 La méthode du score de propension devient de plus en plus populaire pour estimer les effets causaux d’un programme d’intervention. Si les applications empiriques de cette méthode sont encore rares dans les recherches en éducation, des exemples de son ...
Aurélie Lecocq +2 more
doaj +1 more source
Input, Output, and Behavioral Additionality of Innovation Subsidies
Journal of Technology Management & Innovation, 2019 Using a Conditional Difference in Difference procedure and data for Colombia, we determine if firms that receive subsidies to innovation in the period 2010-2016 present additionality on input, output, and behavioral innovation variables.
Edgard Alberto Méndez-Morales
doaj +1 more source
Land, 2021 Compared with traditional urbanization, new urbanization is more closely aligned with China’s basic national conditions and reflects the basic goal of sustainable development.
Jing Peng +4 more
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Sickle Cell Disease Is an Inherent Risk for Asthma in a Sibling Comparison Study
Pediatric Blood &Cancer, EarlyView.ABSTRACT Introduction Sickle cell disease (SCD) and asthma share a complex relationship. Although estimates vary, asthma prevalence in children with SCD is believed to be comparable to or higher than the general population. Determining whether SCD confers an increased risk for asthma remains challenging due to overlapping symptoms and the ...
Suhei C. Zuleta De Bernardis +9 more
wiley +1 more source
Life-Course Transitions and Political Orientations
Sociological ScienceDo life-course transitions in adulthood shape political orientations? One framework suggests that life events expose people to new information, allowing actors to assess their political beliefs and preferences in response to these social experiences.
Turgut Keskintürk
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Pediatric Blood &Cancer, EarlyView.ABSTRACT We sought to identify potential early risk biomarkers for lung disease in children post‐allogeneic HCT. Patients with pulmonary function tests 3 months post‐transplant and plasma samples between days 7 and 14 post‐HCT were included. Six of 27 subjects enrolled had reduced forced expiratory volume 1 (FEV1) z scores.
Isabella S. Small +3 more
wiley +1 more source
Cooperativas de crédito no Brasil: evolução e impacto sobre a renda dos municípios brasileiros
Economia e SociedadeResumo As evidências empíricas indicam uma relação forte entre desenvolvimento financeiro e crescimento econômico. Nesse sentido, o crédito bancário aparece como uma das principais variáveis a ser considerada.
Elidecir Rodrigues Jacques +1 more
doaj +1 more source
Generalized difference-in-differences
, 2023 We propose a new method for estimating causal effects in longitudinal/panel data settings that we call generalized difference-in-differences. Our approach unifies two alternative approaches in these settings: ignorability estimators (e.g., synthetic controls) and difference-in-differences (DiD) estimators.
Agniel, Denis +3 more
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did2s: Two-Stage Difference-in-Differences
The R Journal, 2022 Recent work has highlighted the difficulties of estimating difference-in-differences models when treatment timing occurs at different times for different units. This article introduces the R package did2s which implements the estimator introduced in Gardner (2021).
Butts, Kyle, Gardner, John
openaire +2 more sources