İstemi Çömlekçi profile image
İstemi Çömlekçi Assoc. Prof. Dr. DÜZCE ÜNİVERSİTESİ
Publication 25 Review 45 CrossRef Cited 29 TR Dizin Cited 20
25 Publication
45 Review
29 CrossRef Cited
20 TR Dizin Cited
0000-0001-8922-071X

Research Fields

Finance and Investment

Institution

DÜZCE ÜNİVERSİTESİ

Popular Publications

Evaluation of the Performance of Mutual Stock Fund Strategies Using the Entropy-Based Topsis Method
Authors: İstemi Çömlekçi
Published: 2024 , Fiscaoeconomia
DOI: 10.25295/fsecon.1470123
CITED 0 FAVORITE 3 TOTAL DOWNLOAD COUNT 405

0

3

405

Fama French 5 Factor Model Versus Alternative Fama French 5 Factor Model: Evidence from Selected Islamic Countries
Authors: Nevin Özer , Mehmet Akif Öncü , Ali Özer , İstemi Çömlekçi
Published: 2021 , Bilimname
DOI: 10.28949/bilimname.952079
CITED 0 FAVORITE 2 TOTAL DOWNLOAD COUNT 1154

0

2

1154

Investigation of the Performances of Shares in First Public Offerings by Event Analysis
Authors: İstemi Çömlekçi , Nevin Özer , Birol Coşkun
Published: 2021 , Alanya Academic Review
DOI: 10.29023/alanyaakademik.869124
CITED 0 FAVORITE 1 TOTAL DOWNLOAD COUNT 873

0

1

873

Determinants of Borsa Istanbul Small-Cap Bubble
Authors: Serkan Unal , İstemi Çömlekçi
Published: 2021 , Journal of the Human and Social Science Researches
DOI: 10.15869/itobiad.885136
CITED 1 FAVORITE 1 TOTAL DOWNLOAD COUNT 969

1

1

969

Turizm Endeksleri Arasındaki Eşbütünleşme İlişkisi
Authors: Oğuzhan Gökmen, İstemi Çömlekçi
Published: 2018 , Journal of Travel and Hotel Business
DOI: 10.24010/soid.453157
CITED 3 FAVORITE 1 TOTAL DOWNLOAD COUNT 1649

3

1

1649

Publications

Evaluation of Financial Performance of Tourism Business with Entropy Based Topsis Method
Authors: İstemi Çömlekçi
Published: 2025 , Journal of Travel and Hotel Business
DOI: 10.24010/soid.1479270
FAVORITE 0 TOTAL DOWNLOAD COUNT 88

0

88

IMPACT OF COVID 19 ANNOUNCEMENTS AND GOVERNMENT RESTRICTIONS ON CDS PREMIUMS OF BRICS-T COUNTRIES
Authors: Nevin Özer , Ali Özer , Osman Kartal , İstemi Çömlekçi
Published: 2025 , Doğuş Üniversitesi Dergisi
DOI: 10.31671/doujournal.1499782
FAVORITE 0 TOTAL DOWNLOAD COUNT 81

0

81

Examining the Ramadan Anomaly in Borsa Istanbul: A Research on The Participation Index
Authors: İstemi Çömlekçi
Published: 2024 , Electronic Journal of Social Sciences
DOI: 10.17755/esosder.1491110
FAVORITE 0 TOTAL DOWNLOAD COUNT 266

0

266

The effectiveness of competition conditions in the stock funds market: The case of Turkey
Authors: Serkan Unal , Ali Özer , İstemi Çömlekçi , Kerim Çepni
Published: 2024 , Ordu Üniversitesi Sosyal Bilimler Enstitüsü Sosyal Bilimler Araştırmaları Dergisi
DOI: 10.48146/odusobiad.1273828
FAVORITE 0 TOTAL DOWNLOAD COUNT 869

0

869

Evaluation of the Performance of Mutual Stock Fund Strategies Using the Entropy-Based Topsis Method
Authors: İstemi Çömlekçi
Published: 2024 , Fiscaoeconomia
DOI: 10.25295/fsecon.1470123
FAVORITE 3 TOTAL DOWNLOAD COUNT 405

3

405

Persistence of Returns of Stock Funds Traded in TEFAS
Authors: İstemi Çömlekçi , Serkan Unal , Kerim Çepni
Published: 2024 , Eskişehir Osmangazi University Journal of Economics and Administrative Sciences
DOI: 10.17153/oguiibf.1393399
FAVORITE 0 TOTAL DOWNLOAD COUNT 3662

0

3662

Problems faced by hotel businesses within the scope of environmental analysis factors: The case of Akçakoca
Authors: Muammer Mesci , İstemi Çömlekçi , Emrah Öztürk , Orhan Batman
Published: 2024 , Journal of Multidisciplinary Academic Tourism
DOI: 10.31822/jomat.2024-9-1-1
FAVORITE 1 TOTAL DOWNLOAD COUNT 1017

1

1017

The Effect of Global Financial Stress on The Economies of Turkish States
Authors: Ali Özer , Serkan Unal , İstemi Çömlekçi
Published: 2024 , Journal of Selçuk University Social Sciences Vocational School
DOI: 10.29249/selcuksbmyd.1319691
FAVORITE 1 TOTAL DOWNLOAD COUNT 720

1

720

Impact of COVID-19 Announcements and Government Restrictions on Country Stock Exchanges: Developed and Emerging Markets
Authors: Nevin Özer , Ali Özer , İstemi Çömlekçi
Published: 2024 , Dumlupınar Üniversitesi Sosyal Bilimler Dergisi
DOI: 10.51290/dpusbe.1333003
FAVORITE 0 TOTAL DOWNLOAD COUNT 352

0

352

CAN ChatGPT BE USED FOR STOCK VALUATION? A RESEARCH ON BORSA ISTANBUL
Authors: Ali Özer , İstemi Çömlekçi , Serkan Unal
Published: 2023 , Uluslararası Bankacılık Ekonomi ve Yönetim Araştırmaları Dergisi
DOI: 10.52736/ubeyad.1287067
FAVORITE 1 TOTAL DOWNLOAD COUNT 1412

1

1412

SME Supports for Access to Finance in the European Union; Review of COSME Program
Authors: Utku Can Aydın , İstemi Çömlekçi
Published: 2023 , Sakarya Üniversitesi İşletme Enstitüsü Dergisi
DOI: 10.47542/sauied.1132389
FAVORITE 1 TOTAL DOWNLOAD COUNT 1675

1

1675

Stock Market Reaction to Covid-19 Vaccination Rate: International Study
Authors: Serkan Unal , İstemi Çömlekçi , Ali Özer
Published: 2022 , Konuralp Medical Journal
DOI: 10.18521/ktd.1022009
FAVORITE 0 TOTAL DOWNLOAD COUNT 563

0

563

TESTING THE PECKING ORDER THEORY ON COMPANIES IN THE PARTICIPATION 30
Authors: Öznur Şamandar , Nevin Özer , İstemi Çömlekçi
Published: 2021 , The World of Accounting Science
DOI: 10.31460/mbdd.883601
FAVORITE 0 TOTAL DOWNLOAD COUNT 926

0

926

Determinants of Borsa Istanbul Small-Cap Bubble
Authors: Serkan Unal , İstemi Çömlekçi
Published: 2021 , Journal of the Human and Social Science Researches
DOI: 10.15869/itobiad.885136
FAVORITE 1 TOTAL DOWNLOAD COUNT 969

1

969

Fama French 5 Factor Model Versus Alternative Fama French 5 Factor Model: Evidence from Selected Islamic Countries
Authors: Nevin Özer , Mehmet Akif Öncü , Ali Özer , İstemi Çömlekçi
Published: 2021 , Bilimname
DOI: 10.28949/bilimname.952079
FAVORITE 2 TOTAL DOWNLOAD COUNT 1154

2

1154

Classification of Firms in the BIST100 Index By Pre-COVID-19 and COVID-19 Period Fınancial Data: A Hierarchical Cluster Analysis Application
Authors: İsmail Durak , İstemi Çömlekçi
Published: 2021 , Yaşar Üniversitesi E-Dergisi
DOI: 10.19168/jyasar.923457
FAVORITE 0 TOTAL DOWNLOAD COUNT 1483

0

1483

Investigation of the Performances of Shares in First Public Offerings by Event Analysis
Authors: İstemi Çömlekçi , Nevin Özer , Birol Coşkun
Published: 2021 , Alanya Academic Review
DOI: 10.29023/alanyaakademik.869124
FAVORITE 1 TOTAL DOWNLOAD COUNT 873

1

873

COMPARISINGTHE PERFORMANCE OF FUNDS FOLLOWING CONCENTRATION STRATEGY AND DIVERSIFICATION STRATEGY
Authors: Ali Özer , İstemi Çömlekçi
Published: 2020 , Electronic Journal of Social Sciences
DOI: 10.17755/esosder.716887
FAVORITE 1 TOTAL DOWNLOAD COUNT 1565

1

1565

Turizm Endeksleri Arasındaki Eşbütünleşme İlişkisi
Authors: Oğuzhan Gökmen, İstemi Çömlekçi
Published: 2018 , Journal of Travel and Hotel Business
DOI: 10.24010/soid.453157
FAVORITE 1 TOTAL DOWNLOAD COUNT 1649

1

1649

FAMA-FRENCH ÜÇ FAKTÖRLÜ VARLIK FİYATLAMA MODELİ’NİN GEÇERLİLİĞİ: BORSA İSTANBUL ÜZERİNE BİR ARAŞTIRMA
Authors: Erdem Genç, İstemi Çömlekçi
Published: 2018 , Yüzüncü Yıl Üniversitesi Sosyal Bilimler Enstitüsü Dergisi
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 788

0

788

İSLAMİ FİNANSAL OKURYAZARLIK DÜZEYİNİN BELİRLENMESİ: KATILIM BANKALARI MÜŞTERİLERİ ÜZERİNE BİR ARAŞTIRMA
Authors: İstemi Çömlekçi
Published: 2017 , Electronic Journal of Social Sciences
DOI: 10.17755/esosder.304175
FAVORITE 0 TOTAL DOWNLOAD COUNT 2383

0

2383

Beş Yıldızlı Otel İşletmelerinde Entelektüel Sermayenin Belirleyicileri: Yöneticilerin Bakış Açısına Dayanan Bir Değerlendirme
Authors: Yunus Emre Taşgit , İstemi Çömlekçi , Mehmet Akif Öncü
Published: 2015 , Anatolia: Journal of Tourism Research
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 662

0

662

Measuring Efficiency based on Financial Performance: A Research on Tourism Enterprises
Authors: Burhanettin Zengin , İstemi Çömlekçi , Zeynep Mesci
Published: 2013 , Finans Politik ve Ekonomik Yorumlar
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 181

0

181

THE RELATION OF TOURISM REVENUES AND VARIOUS MACROECONOMIC INDICATORS: THE CASE OF TURKEY (1992-2011)
Authors: Oğuz Kara , İstemi Çömlekçi , Vahdet Kaya
Published: 2012 , The International Journal of Economic and Social Research
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 3037

0

3037

A RESEARCH ON FINANCIAL STRATEGIES APPLIED BY THE AIRLINES COMPANIES
Authors: Mehmet Akif Öncü , İstemi Çömlekçi , Erhan Coşkun
Published: 2010 , The International Journal of Economic and Social Research
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 9067

0

9067

Articles published in
Alanya Academic Review
Alanya Academic Review
Anatolia: Journal of Tourism Research
Anatolia: Journal of Tourism Research
Bilimname
Bilimname
Doğuş Üniversitesi Dergisi
Doğuş Üniversitesi Dergisi
Dumlupınar Üniversitesi Sosyal Bilimler Dergisi
Dumlupınar Üniversitesi Sosyal Bilimler Dergisi
Electronic Journal of Social Sciences
Electronic Journal of Social Sciences
Eskişehir Osmangazi University Journal of Economics and Administrative Sciences
Eskişehir Osmangazi University Journal of Economics and Administrative Sciences
Finans Politik ve Ekonomik Yorumlar
Finans Politik ve Ekonomik Yorumlar
Fiscaoeconomia
Fiscaoeconomia
Journal of Multidisciplinary Academic Tourism
Journal of Multidisciplinary Academic Tourism
Journal of Selçuk University Social Sciences Vocational School
Journal of Selçuk University Social Sciences Vocational School
Journal of the Human and Social Science Researches
Journal of the Human and Social Science Researches
Journal of Travel and Hotel Business
Journal of Travel and Hotel Business
Konuralp Medical Journal
Konuralp Medical Journal
Ordu Üniversitesi Sosyal Bilimler Enstitüsü Sosyal Bilimler Araştırmaları Dergisi
Ordu Üniversitesi Sosyal Bilimler Enstitüsü Sosyal Bilimler Araştırmaları Dergisi
Sakarya Üniversitesi İşletme Enstitüsü Dergisi
Sakarya Üniversitesi İşletme Enstitüsü Dergisi
The International Journal of Economic and Social Research
The International Journal of Economic and Social Research
The World of Accounting Science
The World of Accounting Science
Uluslararası Bankacılık Ekonomi ve Yönetim Araştırmaları Dergisi
Uluslararası Bankacılık Ekonomi ve Yönetim Araştırmaları Dergisi
Yaşar Üniversitesi E-Dergisi
Yaşar Üniversitesi E-Dergisi
Yüzüncü Yıl Üniversitesi Sosyal Bilimler Enstitüsü Dergisi
Yüzüncü Yıl Üniversitesi Sosyal Bilimler Enstitüsü Dergisi

Reviews

Academic Review of Economics and Administrative Sciences
Academic Review of Economics and Administrative Sciences
Afyon Kocatepe University Journal of Economics and Administrative Sciences
Afyon Kocatepe University Journal of Economics and Administrative Sciences
Alanya Academic Review
Alanya Academic Review
Anadolu Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi
Anadolu Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi
Bartın Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi
Bartın Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi
Bilimname
Bilimname
Bolu Abant İzzet Baysal Üniversitesi Sosyal Bilimler Enstitüsü Dergisi
Bolu Abant İzzet Baysal Üniversitesi Sosyal Bilimler Enstitüsü Dergisi
Electronic Journal of Social Sciences
Electronic Journal of Social Sciences
Fiscaoeconomia
Fiscaoeconomia
Iğdır Üniversitesi Sosyal Bilimler Dergisi
Iğdır Üniversitesi Sosyal Bilimler Dergisi
International Journal of Western Black Sea Social and Humanities Sciences
International Journal of Western Black Sea Social and Humanities Sciences
Journal of Economics and Administrative Sciences
Journal of Economics and Administrative Sciences
Journal of Management and Economics Research
Journal of Management and Economics Research
Journal of Mehmet Akif Ersoy University Economics and Administrative Sciences Faculty
Journal of Mehmet Akif Ersoy University Economics and Administrative Sciences Faculty
Journal of Travel and Hotel Business
Journal of Travel and Hotel Business
Konuralp Medical Journal
Konuralp Medical Journal
Research of Financial Economic and Social Studies
Research of Financial Economic and Social Studies
The International Journal of Economic and Social Research
The International Journal of Economic and Social Research
Yaşar Üniversitesi E-Dergisi
Yaşar Üniversitesi E-Dergisi

Publications

Persistence of Returns of Stock Funds Traded in TEFAS
Authors: İstemi Çömlekçi , Serkan Unal , Kerim Çepni
Published: 2024 , Eskişehir Osmangazi University Journal of Economics and Administrative Sciences
DOI: 10.17153/oguiibf.1393399
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 3662

1

0

3662

The Effect of Global Financial Stress on The Economies of Turkish States
Authors: Ali Özer , Serkan Unal , İstemi Çömlekçi
Published: 2024 , Journal of Selçuk University Social Sciences Vocational School
DOI: 10.29249/selcuksbmyd.1319691
CITED 1 FAVORITE 1 TOTAL DOWNLOAD COUNT 720

1

1

720

CAN ChatGPT BE USED FOR STOCK VALUATION? A RESEARCH ON BORSA ISTANBUL
Authors: Ali Özer , İstemi Çömlekçi , Serkan Unal
Published: 2023 , Uluslararası Bankacılık Ekonomi ve Yönetim Araştırmaları Dergisi
DOI: 10.52736/ubeyad.1287067
CITED 1 FAVORITE 1 TOTAL DOWNLOAD COUNT 1412

1

1

1412

SME Supports for Access to Finance in the European Union; Review of COSME Program
Authors: Utku Can Aydın , İstemi Çömlekçi
Published: 2023 , Sakarya Üniversitesi İşletme Enstitüsü Dergisi
DOI: 10.47542/sauied.1132389
CITED 1 FAVORITE 1 TOTAL DOWNLOAD COUNT 1675

1

1

1675

Stock Market Reaction to Covid-19 Vaccination Rate: International Study
Authors: Serkan Unal , İstemi Çömlekçi , Ali Özer
Published: 2022 , Konuralp Medical Journal
DOI: 10.18521/ktd.1022009
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 563

1

0

563

Determinants of Borsa Istanbul Small-Cap Bubble
Authors: Serkan Unal , İstemi Çömlekçi
Published: 2021 , Journal of the Human and Social Science Researches
DOI: 10.15869/itobiad.885136
CITED 1 FAVORITE 1 TOTAL DOWNLOAD COUNT 969

1

1

969

Classification of Firms in the BIST100 Index By Pre-COVID-19 and COVID-19 Period Fınancial Data: A Hierarchical Cluster Analysis Application
Authors: İsmail Durak , İstemi Çömlekçi
Published: 2021 , Yaşar Üniversitesi E-Dergisi
DOI: 10.19168/jyasar.923457
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 1483

3

0

1483

COMPARISINGTHE PERFORMANCE OF FUNDS FOLLOWING CONCENTRATION STRATEGY AND DIVERSIFICATION STRATEGY
Authors: Ali Özer , İstemi Çömlekçi
Published: 2020 , Electronic Journal of Social Sciences
DOI: 10.17755/esosder.716887
CITED 6 FAVORITE 1 TOTAL DOWNLOAD COUNT 1565

6

1

1565

Turizm Endeksleri Arasındaki Eşbütünleşme İlişkisi
Authors: Oğuzhan Gökmen, İstemi Çömlekçi
Published: 2018 , Journal of Travel and Hotel Business
DOI: 10.24010/soid.453157
CITED 3 FAVORITE 1 TOTAL DOWNLOAD COUNT 1649

3

1

1649

İSLAMİ FİNANSAL OKURYAZARLIK DÜZEYİNİN BELİRLENMESİ: KATILIM BANKALARI MÜŞTERİLERİ ÜZERİNE BİR ARAŞTIRMA
Authors: İstemi Çömlekçi
Published: 2017 , Electronic Journal of Social Sciences
DOI: 10.17755/esosder.304175
CITED 11 FAVORITE 0 TOTAL DOWNLOAD COUNT 2383

11

0

2383

Popular Publications: It is determined automatically by the researchers doing research in DergiPark according to the statistics of being added to the favorites. CrossRef Cited: The citations shown in DergiPark are drawn from CrossRef. For this, the cited and cited articles must be registered in CrossRef (DOI number). ^: Citation numbers are reflected in the system by DergiPark at certain periods.
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