東日本大震災における上場企業の被害特性とBCPによる事業の早期復旧効果  [in Japanese] AN ANALYSIS OF THE DAMAGE CHARACTERISTICS AND THE EFFECT OF BCP FOR LISTED COMPANY IN THE GREAT EAST JAPAN EARTHQUAKE  [in Japanese]

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Abstract

近年,企業は災害による被害を低減するためにBCPの策定を進めつつある.しかし,BCPの策定に伴う事業の早期復旧効果が明確でないことから,未だBCPを策定していない企業も多い.そこで,本論は上場企業の開示情報を基礎データとして,東日本大震災によって上場企業が受けた被害特性と,BCPの策定に伴う事業の早期復旧効果を分析した.その結果,BCPを策定済みの企業は平均復旧期間が短い傾向を明らかにした.また,津波,液状化の被害を受けた企業の拠点は,地震動により被害を受けた企業の拠点と比較して2倍以上の復旧期間を要していることを示した.

 BCP (Business Continuity Plan) is important to reduce indirect damage caused by disaster. However, many companies have not yet developed a BCP because the effect of BCP is not clear. Therefore, this paper aims to analyze the damage characteristics and the effect of early restoration of business due to the BCP, using the data of listed companies, whose shares are quoted on stock exchange, damaged by the Great East Japan Earthquake. As a result, it turned out that the companies that had developed their own BCP had recovered earlier on average. It was also observed that the worksites, which had been damaged by tsunami or liquefaction, took more than twice recovery period as compared with worksites that had been damaged by ground motion.

Journal

  • Journal of Japan Society of Civil Engineers, Ser. F6 (Safety Problem)

    Journal of Japan Society of Civil Engineers, Ser. F6 (Safety Problem) 68(1), 25-34, 2012

    Japan Society of Civil Engineers

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