Özgür Ömer Ersin

2026 · author #2

Linking refugee influx and biofuel energy production to the nexus between fossil-fuel energy consumption and economic growth: Insights from USA and Brazil with novel Fourier VAR and causality techniques

Sustainable Energy Technologies and Assessments

2025 · author #2 OPEN 8 citations

Climate Policy Uncertainty, Environmental Regulatory Arbitrage, and Internal Carbon Leakage in the European Union: Fourier ARDL and Causality Analyses

Journal of the Knowledge Economy

2025 · author #2

CEO-narcissism and its asymmetric long- and short-run relations with environmental, social and governance performances: A panel examination of 125 companies in the USA

Journal of Environmental Management

2024 · author #1 OPEN 13 citations

Are cleaner energy and financial technologies needed? Contagion and causality evidence between global fintech markets, energy consumption, and environmental pollution

Clean Technologies and Environmental Policy

2024 · author #2 11 citations

Long and short-run impacts of CEO narcissism on the nexus between financial performance and environmental and social governance: Evidence from new quantile-based panel cointegration and causality techniques

Journal of Cleaner Production

2024 · author #2 OPEN 10 citations

Chaos, Fractionality, Nonlinear Contagion, and Causality Dynamics of the Metaverse, Energy Consumption, and Environmental Pollution: Markov-Switching Generalized Autoregressive Conditional Heteroskedasticity Copula and Causality Methods

Fractal and Fractional

2024 · author #2 OPEN 8 citations

Cement production and CO2 emission cycles in the USA: evidence from MS-ARDL and MS-VARDL causality methods with century-long data

Environmental Science and Pollution Research

2024 · author #3 OPEN 6 citations

Unraveling the Environmental Impacts of the Fashion Industry: A Fourier-Based Analysis of Pollution Dynamics and Causality Across Five Countries

Sustainability

2024 · author #2 OPEN 3 citations

Bitcoin, Fintech, Energy Consumption, and Environmental Pollution Nexus: Chaotic Dynamics with Threshold Effects in Tail Dependence, Contagion, and Causality

Fractal and Fractional

2024 · author #2 OPEN

Bitcoin’s Energy Consumption, Price Volatility, and Environmental Pollution: Contagion and Causality Dynamics Under Heteroskedasticity and Nonlinearity

International Journal of Energy Research

2023 · author #1 OPEN 24 citations

Financial Volatility Modeling with the GARCH-MIDAS-LSTM Approach: The Effects of Economic Expectations, Geopolitical Risks and Industrial Production during COVID-19

Mathematics

2023 · author #3 OPEN 21 citations

Effects of Fiscal and Monetary Policies, Energy Consumption and Economic Growth on CO2 Emissions in the Turkish Economy: Nonlinear Bootstrapping NARDL and Nonlinear Causality Methods

Sustainability

2023 · author #3 OPEN 18 citations

Industry 4.0 and Renewable Energy Production Nexus: An Empirical Investigation of G20 Countries with Panel Quantile Method

Sustainability

2023 · author #3 OPEN 16 citations

Effects of Technology, Energy, Monetary, and Fiscal Policies on the Relationship between Renewable and Fossil Fuel Energies and Environmental Pollution: Novel NBARDL and Causality Analyses

Sustainability

2023 · author #3 OPEN 12 citations

Forecasting BDI Sea Freight Shipment Cost, VIX Investor Sentiment and MSCI Global Stock Market Indicator Indices: LSTAR-GARCH and LSTAR-APGARCH Models

Mathematics

2022 · author #2 69 citations

Nexus between Industry 4.0 and environmental sustainability: A Fourier panel bootstrap cointegration and causality analysis

Journal of Cleaner Production

2022 · author #3 OPEN 24 citations

Nonlinear Contagion and Causality Nexus between Oil, Gold, VIX Investor Sentiment, Exchange Rate and Stock Market Returns: The MS-GARCH Copula Causality Method

Mathematics

2022 · author #2 OPEN 5 citations

Regime-Switching Fractionally Integrated Asymmetric Power Neural Network Modeling of Nonlinear Contagion for Chaotic Oil and Precious Metal Volatilities

Fractal and Fractional

2018 · author #2 22 citations

Markov-switching vector autoregressive neural networks and sensitivity analysis of environment, economic growth and petrol prices

Environmental Science and Pollution Research

2017 · author #2 20 citations

Economic growth and CO2 emissions: an investigation with smooth transition autoregressive distributed lag models for the 1800–2014 period in the USA

Environmental Science and Pollution Research