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  1. Article: Climate risk, culture and the Covid-19 mortality: A cross-country analysis.

    Ozkan, Aydin / Ozkan, Gulcin / Yalaman, Abdullah / Yildiz, Yilmaz

    World development

    2021  Volume 141, Page(s) 105412

    Abstract: Why have some countries done significantly better than others in fighting the Covid-19 pandemic? Had some countries been better prepared than others? This paper attempts to shed light on these questions by examining the role of climate risk and culture ... ...

    Abstract Why have some countries done significantly better than others in fighting the Covid-19 pandemic? Had some countries been better prepared than others? This paper attempts to shed light on these questions by examining the role of climate risk and culture in explaining the cross-country variation in the Covid-19 mortality, while controlling for other potential drivers. In our analysis, we consider climate risk, readiness to climate change and individualism as main indicators reflecting the climate and culture status of individual countries. Using data from 110 countries, we find that the greater the climate risk; the lower the readiness to climate change and the more individualistic the society, the higher the pandemic mortality rate. We also present a series of sensitivity checks and show that our findings are robust to different specifications, alternative definitions of the mortality rate; and different estimation methods. One policy implication arising from our results is that countries that were better prepared for the climate emergency were also better placed to fight the pandemic. Overall, countries in which individuals look after each other and the environment, creating sustainable societies, are better able to cope with climate and public health emergencies.
    Language English
    Publishing date 2021-01-19
    Publishing country England
    Document type Journal Article
    ZDB-ID 1500836-8
    ISSN 0305-750X
    ISSN 0305-750X
    DOI 10.1016/j.worlddev.2021.105412
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Cross-country evidence on the association between contact tracing and COVID-19 case fatality rates.

    Yalaman, Abdullah / Basbug, Gokce / Elgin, Ceyhun / Galvani, Alison P

    Scientific reports

    2021  Volume 11, Issue 1, Page(s) 2145

    Abstract: The coronavirus disease (COVID-19) outbreak has killed over a million people since its emergence in late 2019. However, there has been substantial variability in the policies and intensity of diagnostic efforts between countries. In this paper, we ... ...

    Abstract The coronavirus disease (COVID-19) outbreak has killed over a million people since its emergence in late 2019. However, there has been substantial variability in the policies and intensity of diagnostic efforts between countries. In this paper, we quantitatively evaluate the association between national contact tracing policies and case fatality rates of COVID-19 in 138 countries. Our regression analyses indicate that countries that implement comprehensive contact tracing have significantly lower case fatality rates. This association of contact tracing policy and case fatality rates is robust in our longitudinal regression models, even after controlling for the number of tests conducted and non-pharmaceutical control measures adopted by governments. Our results suggest that comprehensive contact tracing is instrumental not only to curtailing transmission but also to reducing case fatality rates. Contact tracing achieves the early detection and isolation of secondary cases which are particularly important given that the peak in infectiousness occurs during the presymptomatic phase. The early detection achieved by contact tracing accelerates the rate at which infected individuals receive medical care they need to maximize their chance of recovery. In addition, the combination of reduced transmission and more rapid recovery diminishes the burden on the healthcare system which in turn ensures that the resources remain available for individuals who do become infected.
    MeSH term(s) COVID-19/diagnosis ; COVID-19/mortality ; COVID-19/prevention & control ; COVID-19/virology ; COVID-19 Testing/statistics & numerical data ; Contact Tracing/statistics & numerical data ; Global Health/statistics & numerical data ; Humans ; Pandemics/prevention & control ; Pandemics/statistics & numerical data ; Public Policy ; SARS-CoV-2/pathogenicity
    Language English
    Publishing date 2021-01-25
    Publishing country England
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-020-78760-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Cross-country evidence on the association between contact tracing and COVID-19 case fatality rates

    Abdullah Yalaman / Gokce Basbug / Ceyhun Elgin / Alison P. Galvani

    Scientific Reports, Vol 11, Iss 1, Pp 1-

    2021  Volume 6

    Abstract: Abstract The coronavirus disease (COVID-19) outbreak has killed over a million people since its emergence in late 2019. However, there has been substantial variability in the policies and intensity of diagnostic efforts between countries. In this paper, ... ...

    Abstract Abstract The coronavirus disease (COVID-19) outbreak has killed over a million people since its emergence in late 2019. However, there has been substantial variability in the policies and intensity of diagnostic efforts between countries. In this paper, we quantitatively evaluate the association between national contact tracing policies and case fatality rates of COVID-19 in 138 countries. Our regression analyses indicate that countries that implement comprehensive contact tracing have significantly lower case fatality rates. This association of contact tracing policy and case fatality rates is robust in our longitudinal regression models, even after controlling for the number of tests conducted and non-pharmaceutical control measures adopted by governments. Our results suggest that comprehensive contact tracing is instrumental not only to curtailing transmission but also to reducing case fatality rates. Contact tracing achieves the early detection and isolation of secondary cases which are particularly important given that the peak in infectiousness occurs during the presymptomatic phase. The early detection achieved by contact tracing accelerates the rate at which infected individuals receive medical care they need to maximize their chance of recovery. In addition, the combination of reduced transmission and more rapid recovery diminishes the burden on the healthcare system which in turn ensures that the resources remain available for individuals who do become infected.
    Keywords Medicine ; R ; Science ; Q
    Language English
    Publishing date 2021-01-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Book ; Online: Contact Tracing is Associated with Lower COVID-19 Case Fatality Rates

    ABDULLAH YALAMAN / GOKCE BASBUG / CEYHUN ELGIN / ALISON P. GALVANI

    Evidence from 40 countries

    2020  

    Abstract: Datasets represent data used in regression analysis. ...

    Abstract Datasets represent data used in regression analysis.
    Keywords covid-19 ; covid19
    Language English
    Publishing date 2020-08-19
    Publishing country eu
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article: Forecasting emerging market volatility in crisis period

    Yalaman, Abdullah / Saleem, Shabir A. A

    Global financial crisis and it's ramifications on capital markets : opportunities and threats on volatile economic conditions , p. 475-492

    comparing traditional GARCH with high-frequency based models

    2017  , Page(s) 475–492

    Author's details Abdullah Yalaman and Shabir A.A. Saleem
    Language English
    Publisher Springer
    Publishing place Cham
    Document type Article
    ISBN 3-319-47020-5 ; 978-3-319-47020-7
    Database ECONomics Information System

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  6. Article: Jumps and earnings announcement

    Saleem, Shabir A. A / Yalaman, Abdullah

    Risk management, strategic thinking and leadership in the financial services industry : a proactive approach to strategic thinking , p. 211-223

    empirical evidence from an emerging market using high frequency data

    2017  , Page(s) 211–223

    Author's details Shabir A. A. Saleem and Abdullah Yalaman
    Keywords Earnings announcement ; High frequency data ; Börsenkurs
    Language English
    Publisher Springer
    Publishing place Cham
    Document type Article
    ISBN 978-3-319-47171-6 ; 3-319-47171-6
    Database ECONomics Information System

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