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  1. Article: Corporate vulnerability in the US and China during COVID-19: A machine learning approach.

    Khan, Muhammad Asif / Segovia, Juan E Trinidad / Bhatti, M Ishaq / Kabir, Asif

    Journal of economic asymmetries

    2023  Volume 27, Page(s) e00302

    Abstract: The impact of COVID-19 on stock market dynamics and other macroeconomic indicators has been extensively researched. However, the question of how it affects corporate vulnerability has received less attention. This article aims to fill this gap by ... ...

    Abstract The impact of COVID-19 on stock market dynamics and other macroeconomic indicators has been extensively researched. However, the question of how it affects corporate vulnerability has received less attention. This article aims to fill this gap by examining the implications of COVID-19 on corporate vulnerability in the United States (US) and China, using daily data from January 2020 to December 2021. The empirical results of cointegration analysis demonstrate that COVID-19 considerably worsen corporate vulnerabilities in the long-term in the US and in the short-term in China. Additionally, non-linear results demonstrate long-run asymmetries in the US and short-run asymmetries in China, confirming the accuracy of error prediction and suggesting that US corporations are more exposed to COVID-19-induced risks. The channels through which COVID-19 may affect corporate vulnerability include changes in consumer behavior and demand, disruptions in supply chains, financial stress, government policies and regulations, and changes in the competitive landscape. This study sheds light on the effects of the COVID-19 pandemic on corporate vulnerability in the US and China, revealing regulatory implications that may necessitate greater government involvement, managerial implications that emphasize risk management and contingency planning, and social implications that highlight the importance of prioritizing stakeholder welfare and embracing digital transformation.
    Language English
    Publishing date 2023-04-10
    Publishing country Canada
    Document type Journal Article
    ZDB-ID 2571389-9
    ISSN 1703-4949
    ISSN 1703-4949
    DOI 10.1016/j.jeca.2023.e00302
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: An assessment of available ocean current hydrokinetic energy near the North Carolina shore

    Kabir, Asif / Arturo Fernandez / Ivan Lemongo-Tchamba

    Renewable energy. 2015 Aug., v. 80

    2015  

    Abstract: Ocean currents have the potential to supply electricity from a renewable source to coastal regions. The assessment of the potential energy that could be generated is the first step towards developing this resource. Data from the Hybrid Coordinate Ocean ... ...

    Abstract Ocean currents have the potential to supply electricity from a renewable source to coastal regions. The assessment of the potential energy that could be generated is the first step towards developing this resource. Data from the Hybrid Coordinate Ocean Model (HYCOM) and high-frequency radar measurements have been used to assess an area extending from 34.85° N to 35.15°N, and from 74.85°W to 74.5°W near the North Carolina shore. The assessment shows the area to exhibit a power density of at least 500 W/m2 in over 50% of the days and 1000 W/m2 or higher one third of the studied period. The results also show the direction of the ocean velocity to be very uniform in the northeast direction, which would facilitate a future exploitation of the resource. In addition, statistical analysis applying Weibull, Rayleigh, and Gaussian distributions is also presented. It is shown that the use of a Weibull probability distribution facilitates the analysis of ocean velocity conditions and is also able to predict the power density with a high degree of accuracy.
    Keywords coasts ; electricity ; energy ; environmental models ; hydroelectric power ; normal distribution ; radar ; water currents ; Weibull statistics ; North Carolina
    Language English
    Dates of publication 2015-08
    Size p. 301-307.
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2001449-1
    ISSN 0960-1481
    ISSN 0960-1481
    DOI 10.1016/j.renene.2015.02.011
    Database NAL-Catalogue (AGRICOLA)

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