Yılmaz, Mustafa Kemal
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Yönetim Bilimleri Fakültesi, İşletme Bölümü
Küresel rekabete ayak uydurmak ve sürdürülebilir olmak isteyen tüm şirketler ve kurumlar, değişimi doğru bir şekilde yönetmek, teknolojinin gerekli kıldığı zihinsel ve operasyonel dönüşümü kurumlarına hızlı bir şekilde adapte etmek zorundadırlar.
Adı Soyadı
Mustafa Kemal Yılmaz
İlgi Alanları
Capital Markets, Derivatives Markets, Risk Yönetimi, Kurumsal Finansman, Sürdürülebilirlik
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Yayın Does the stock market value inclusion in a sustainability index? Evidence from Borsa Istanbul(MDPI journals, 2020) Yılmaz, Mustafa Kemal; Aksoy, Mine; Tatoğlu, Ekrem; Tatoğlu, Ekrem; Yılmaz, Mustafa Kemal; Yönetim Bilimleri Fakültesi, İşletme BölümüThis study examines the relationships between corporate sustainability (CS) performance of the companies (proxied by inclusion in sustainability index) listed in Borsa Istanbul (BIST, Istanbul, Turkey) and market-specific company performance measures over the period of 2014–2017. The results show that there is no strong evidence of the effect of inclusion in or exclusion from the BIST Sustainability Index (BIST SI) on stock returns and systematic risk (betas) of companies. However, the results reveal that inclusion in the BIST SI reduces the total risk of the companies and protects them from stock declines in case of a severe crisis by improving their resilience compared to other companies not included in the BIST SI. Although no significant link is found concerning the impact of the companies’ inclusion on the level of foreign ownership, a positive association is noted between BIST SI inclusion and the level of institutional ownership.Yayın Antecedents of corporate sustainability performance in Turkey: The effects of ownership structure and board attributes on non-financial companies(Elsevier, 2020) Aksoy, Mine; Yılmaz, Mustafa Kemal; Tatoğlu, Ekrem; Basar, Merve; Tatoğlu, Ekrem; Yılmaz, Mustafa Kemal; Yönetim Bilimleri Fakültesi, İşletme BölümüThe discourse of corporate sustainability performance (CSP) has created an increasing motivation for companies to improve their competitive advantage. This study examines the drivers leading to a high level of CSP within non-financial Turkish companies listed in the Borsa Istanbul Sustainability Index. Drawing on both stakeholder and agency theories, we formulate a set of hypotheses that link CSP with ownership structure, board diversity, and firm-specific characteristics. Based on logit and probit models, the empirical results tend to confirm the positive influence of foreign and institutional ownerships in shaping CSP and indicate that CSP is positively linked with board size and the proportion of independent board members. Further, the findings show that companies with a leading level of CSP have a lower return than companies with mediocre CSP based on a market-based measure, Tobin’s Q.Yayın Crafting performance-based cryptocurrency mining strategies using a hybrid analytics approach(Elsevier, 2021) Hacıoğlu, Ümit; Chlyeh, Dounia; Yılmaz, Mustafa Kemal; Tatoğlu, Ekrem; Delen, Dursun; Hacıoğlu, Ümit; Tatoğlu, Ekrem; Yılmaz, Mustafa Kemal; Delen, Dursun; Yönetim Bilimleri Fakültesi, İşletme BölümüCrafting and executing the best cryptocurrency mining strategy is vital to succeeding in cryptocurrency market investments. This study aims to identify the best cryptocurrency mining strategy based on service providers’ performance for cryptocurrency mining using a hybrid analytics approach, which integrates the Analytic Hierarchy Process (AHP) and Fuzzy-TOPSIS techniques, along with sensitivity analysis. The results show that hosted mining is the overall best cryptocurrency mining strategy, followed by home mining and cloud mining, based on both total cost of operations and cryptocurrency payout criteria. The empirical findings also suggest that the critical features of the highest performing service providers (i.e., hosted mining strategies and cloud mining) were their flexibility of contracts and the superior efficiency in terms of the daily payout. Finally, of the three location alternatives for home mining, Turkey ranks first compared to the U.S. and Europe.