• Oil extraction and crude oil price behavior in the United States: a fractional integration and cointegration analysis. 

  Monge Moreno, Manuel; Cristóbal, Enrique; Gil Alana, Luis A.; Lazcano de Rojas, Ana (Energy Sources, Part B: Economics, Planning, and Policy., 2022)
• Persistence analysis of research intensity in OECD countries since 1870. 

  Adebola Solarin, Sakiru; López Martínez, Gema (Australian Economic Papers, 2022)
• Inequality Persistence of 21 OECD Countries from 1870 to 2020: Linear and Non-Linear Fractional Integration Approaches. 

  Adebola Solarin, Sakiru; Lafuente Ibáñez, María Carmen; Gil Alana, Luis A.; González Blanch, María Jesús (Social Indicators Research, 2022)
• Temperature and precipitation in the US states: long memory, persistence, and time trend. 

  Gil Alana, Luis A.; Gupta, Rangan; Sauci, Laura; Carmona González, Nieves (Theoretical and Applied Climatology, 2022)
• Re-examination of risk-return dynamics in international equity markets and the role of policy uncertainty, geopolitical risk and VIX: Evidence using Markov-switching copulas. 

  Aikins Abakah, Emmanuel Joel; KumarTiwari, Aviral; Paul Alagidede, Imhotep; Gil Alana, Luis A. (Finance Research Letters, 2022)

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