Results 21 to 30 of about 12,640,589 (322)

Design-Based Analysis in Difference-in-Differences Settings with Staggered Adoption [PDF]

open access: yesJournal of Econometrics, 2018
In this paper we study estimation of and inference for average treatment effects in a setting with panel data. We focus on the setting where units, e.g., individuals, firms, or states, adopt the policy or treatment of interest at a particular point in ...
S. Athey, G. Imbens
semanticscholar   +1 more source

Estimating cultural heritage sites effect on food and accommodations with synthetic controls

open access: yesAnnals of Tourism Research Empirical Insights, 2022
The United Nations Educational, Scientific and Cultural Organization (UNESCO) has developed a list of over 1000 cultural and world heritage sites. We seek to estimate a casual impact on food and accommodations industries that two of these sites influence
Douglas Eric Belleville, Jr   +1 more
doaj   +1 more source

The Impact of Expressway Development on Industrial Structure in Rugged Terrain: The Case of Sichuan Province, China

open access: yesLand, 2023
The expressway is an important pillar of economic development and has a significant impact on the transformation of regional industrial structure.
Min Su   +3 more
doaj   +1 more source

The impact of national centralized drug procurement on health expenditures for lung cancer inpatients: A difference-in-differences analysis in a large tertiary hospital in China

open access: yesFrontiers in Public Health, 2022
The availability and affordability of medicines remain major health challenges around the world. In March 2019, the Chinese government introduced a pilot National Centralized Drug Procurement (NCDP) program in order to reduce drug prices and improve the ...
Yuanjin Zhang   +9 more
semanticscholar   +1 more source

Socioeconomic disparity in the association between long-term exposure to PM2.5 and mortality in 2640 Chinese counties

open access: yesEnvironment International, 2021
Background: Although the association between long-term exposure to PM2.5 and mortality has been evaluated intensively, little is known about the socioeconomic disparity in the association.
Chunlei Han   +8 more
doaj   +1 more source

Effects of grants from EU funds on business performance of non-financial corporations in Croatia

open access: yesPublic Sector Economics, 2021
This paper quantifies the impact of grants from EU funds on non-financial corporations performance in Croatia. For the purposes of the research, three different data sources were used, which were merged into a single enterprise level database ...
Domagoj Selebaj, Matej Bule
doaj   +1 more source

Limitations of difference-in-difference for measuring convergence

open access: yesLaboratory Phonology, 2019
Linguistic convergence is the phenomenon in which interlocutors’ speech characteristics become more similar to each other’s. One of the methods frequently used to measure convergence is the difference-in-difference (DID) approach, comparing change in ...
Chelsea Sanker, Uriel Cohen Priva
doaj   +2 more sources

Loss of life expectancy from PM2.5 in Brazil: A national study from 2010 to 2018

open access: yesEnvironment International, 2022
Background: Long-term exposure to PM2.5 is proved to be linked with mortality. However, limited studies have estimated the PM2.5 related loss of life expectancy (LLE) and its changing trends.
Pei Yu   +7 more
doaj   +1 more source

Explaining persistence in online courses in higher education: a difference-in-differences analysis

open access: yesInternational Journal of Educational Technology in Higher Education, 2021
The aim of this study was to verify if the UTAUT model, enriched with anxiety and factors relating to students characteristics and to the specificities of online courses, influences persistence in online courses.
Sawsen Lakhal   +2 more
semanticscholar   +1 more source

Difference-in-Differences with Variation in Treatment Timing

open access: yesJournal of Econometrics, 2018
The canonical difference-in-differences (DD) estimator contains two time periods, ”pre” and ”post”, and two groups, ”treatment” and ”control”. Most DD applications, however, exploit variation across groups of units that receive treatment at different ...
Andrew Goodman-Bacon
semanticscholar   +1 more source

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