Personal information

Finance, markets,portfolio, valuations

Activities

Employment (1)

Istanbul Teknik Üniversitesi: Istanbul, TR

1995-10-01 to present | Chair of Finance (Management Engineering)
Employment
Source: Self-asserted source
Oktay Tas

Education and qualifications (1)

Technische Universität Berlin: Berlin, Berlin, DE

1998-03 to 2001-03 | Ph.D. (finance and Inevestment)
Education
Source: Self-asserted source
Oktay Tas

Works (19)

Social Media Sentiment in International Stock Returns and Trading Activity

Journal of Behavioral Finance
2020 | Journal article
Contributors: Selin, Duz Tan; Tas, Oktay
Source: check_circle
Web of Science Researcher Profile Sync

Investor attention and stock returns: Evidence from Borsa Istanbul

Borsa Istanbul Review
2019 | Journal article
EID:

2-s2.0-85057357430

Contributors: Düz Tan, S.; Taş, O.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Mean-Variance Portfolio Optimization of Energy Stocks Supported with Second Order Stochastic Dominance Efficiency

Finance a Uver - Czech Journal of Economics and Finance
2019 | Journal article
EID:

2-s2.0-85074022283

Contributors: Guran, C.B.; Ugurlu, U.; Tas, O.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Electricity price forecasting using recurrent neural networks

Energies
2018 | Journal article
EID:

2-s2.0-85052831505

Contributors: Ugurlu, U.; Oksuz, I.; Tas, O.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Intuitionistic fuzzy real-options theory and its application to solar energy investment projects

Engineering Economics
2018 | Journal article
EID:

2-s2.0-85046767476

Contributors: Ersen, H.Y.; Tas, O.; Kahraman, C.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Performance of Electricity Price Forecasting Models: Evidence from Turkey

Emerging Markets Finance and Trade
2018 | Journal article
EID:

2-s2.0-85047498191

Contributors: Ugurlu, U.; Tas, O.; Gunduz, U.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

SSD efficiency at multiple data frequencies: Application on the OECD countries

Prague Economic Papers
2018 | Journal article
EID:

2-s2.0-85045623805

Contributors: Ugurlu, U.; Tas, O.; Guran, C.B.; Guran, A.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

The financial effect of the electricity price forecasts' inaccuracy on a hydro-based generation company

Energies
2018 | Journal article
EID:

2-s2.0-85052799686

Contributors: Ugurlu, U.; Tas, O.; Kaya, A.; Oksuz, I.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

A scenario based linear fuzzy approach in portfolio selection problem: Application in the Istanbul stock exchange

Journal of Multiple-Valued Logic and Soft Computing
2016 | Journal article
EID:

2-s2.0-84961710288

Contributors: Taş, O.; Kahraman, C.; Güran, C.B.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Comparison of ethical and conventional portfolios with second-order stochastic dominance efficiency test

International Journal of Islamic and Middle Eastern Finance and Management
2016 | Journal article
EID:

2-s2.0-85002322860

Contributors: Tas, O.; Tokmakcioglu, K.; Ugurlu, U.; Isiker, M.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Colour transformations between BVR<inf>c</inf> and g′r′i′ photometric systems for giant stars

Publications of the Astronomical Society of Australia
2014 | Journal article
EID:

2-s2.0-84901479798

Contributors: Ak, S.; Ak, T.; Karaali, S.; Bilir, S.; Güçtekin, S.T.; Taş, O.O.; Öztürkmen, N.D.; Duran, S.; CoşkunoÇlu, B.; Yontan, T. et al.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Stock market and macroeconomic volatility comparison: An US approach

Quality and Quantity
2014 | Journal article
EID:

2-s2.0-84891634965

Contributors: Tokmakcioglu, K.; Tas, O.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

The impacts of investor sentiment on different economic sectors: Evidence from Istanbul Stock Exchange

Borsa Istanbul Review
2014 | Journal article
EID:

2-s2.0-84951792372

Contributors: Uygur, U.; Taş, O.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

The impacts of investor sentiment on returns and conditional volatility of international stock markets

Quality and Quantity
2014 | Journal article
EID:

2-s2.0-84897414994

Contributors: Uygur, U.; Taş, O.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Mortgage demanders evaluation by fuzzy ahp

Journal of Multiple-Valued Logic and Soft Computing
2013 | Journal article
EID:

2-s2.0-84889031715

Contributors: Tas, O.; Ekmekĉioǧlu, M.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Seasonality and the relation between volatility and returns: Evidence from Turkish financial markets

Stock Market Volatility
2009 | Book chapter
EID:

2-s2.0-85055787529

Contributors: Taş, O.; Ekinci, C.; Samur, Z.İ.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

TEWI - Turkey early warning index

Journal of Transnational Management
2009 | Journal article
EID:

2-s2.0-61649105549

Contributors: Kiliclar, S.; Tas, O.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Implementation of activity-based costing in e-businesses

Portland International Conference on Management of Engineering and Technology
2007 | Conference paper
EID:

2-s2.0-47849114057

Contributors: Iltuzer, Z.; Tas, O.; Gozlu, S.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier

Intangible assets and cost of capital: An application for a technology utilizing firm

Portland International Conference on Management of Engineering and Technology
2007 | Conference paper
EID:

2-s2.0-47849114830

Contributors: Tokmakcioglu, K.; Tas, O.; Gozlu, S.
Source: Self-asserted source
Oktay Tas via Scopus - Elsevier