OlaOluwa Simon Yaya

OlaOluwa Simon Yaya

University of Ibadan

H-index: 20

Africa-Nigeria

About OlaOluwa Simon Yaya

OlaOluwa Simon Yaya, With an exceptional h-index of 20 and a recent h-index of 19 (since 2020), a distinguished researcher at University of Ibadan, specializes in the field of Fractional Integration, Time Series Persistence, Volatility modelling, Big Data Science, Statistical Machine Learning Algorith.

His recent articles reflect a diverse array of research interests and contributions to the field:

Stock Market Efficiency in Asia: Evidence from the Narayan–Liu–Westerlund's GARCH‐based unit root test

A new fractional integration approach based on neural network nonlinearity with an application to testing unemployment hysteresis

Stock market prices and Dividends in the US: Bubbles or Long-run equilibria relationships?

Testing day-of-the-week persistence and seasonality in Spanish Electricity Energy prices

Growth Slowdowns and Middle-Income Trap: Evidence from New Unit Root Framework

Dynamic connectedness of economic policy uncertainty in G7 countries and the influence of the USA and UK on non-G7 countries

African stock markets’ connectedness: Quantile VAR approach

Scientific African

OlaOluwa Simon Yaya Information

University

Position

Economic and Financial Statistics Unit Department of Statistics

Citations(all)

1614

Citations(since 2020)

1340

Cited By

624

hIndex(all)

20

hIndex(since 2020)

19

i10Index(all)

42

i10Index(since 2020)

36

Email

University Profile Page

University of Ibadan

Google Scholar

View Google Scholar Profile

OlaOluwa Simon Yaya Skills & Research Interests

Fractional Integration

Time Series Persistence

Volatility modelling

Big Data Science

Statistical Machine Learning Algorith

Top articles of OlaOluwa Simon Yaya

Title

Journal

Author(s)

Publication Date

Stock Market Efficiency in Asia: Evidence from the Narayan–Liu–Westerlund's GARCH‐based unit root test

International of Journal of Finance and Economics

OlaOluwa S Yaya

Xuan Vinh Vo

Oluwasegun B Adekoya

Mamdouh Abdulaziz Saleh Al-Faryan

2024/1/11

A new fractional integration approach based on neural network nonlinearity with an application to testing unemployment hysteresis

Empirical Economics

Fumitaka Furuoka

Luis A Gil-Alana

OlaOluwa S Yaya

Elayaraja Aruchunan

Ahamuefula E Ogbonna

2024/1/2

Stock market prices and Dividends in the US: Bubbles or Long-run equilibria relationships?

International Review of Financial Analysis

Robinson Dettoni

Luis A Gil-Alana

OlaOluwa S Yaya

2024/4/20

Testing day-of-the-week persistence and seasonality in Spanish Electricity Energy prices

Energy Research Letters

OlaOluwa S Yaya

2024

Growth Slowdowns and Middle-Income Trap: Evidence from New Unit Root Framework

Singapore Economic Review

Fumitaka Furuoka

Kiew Ling Pui

Chinyere Mary Rose Ezeoke

Ray Ikechukwu Jacob

OlaOluwa S Yaya

2020/12/3

Dynamic connectedness of economic policy uncertainty in G7 countries and the influence of the USA and UK on non-G7 countries

Economic Change and Restructuring

OlaOluwa S Yaya

Hammed A Olayinka

Ahamuefula E Ogbonna

Mamdouh Abdulaziz Saleh Al-Faryan

Xuan Vinh Vo

2024/4

African stock markets’ connectedness: Quantile VAR approach

Modern Finance

OlaOluwa S. Yaya

Olayinka Adenikinju

Hammed A Olayinka

2024/2/6

Scientific African

Eric O Odada

Daniel O Olago

Lydia A Olaka

2020

Impact analysis of COVID-19 on Nigerian workers’ productivity using multiple correspondence analysis

Scientific African

Wilson Sakpere

Aderonke Busayo Sakpere

Ifedolapo Olanipekun

OlaOluwa Simon Yaya

2023/6/26

Household expenditure in Africa: Evidence of mean reversion

Statistics in transition new series

G. A. Olalude

OlaOluwa S. Yaya

H. A. Olayinka

T. A. Jimoh

A. A. Adebiyi

...

2023

An investigation into the relationship between sugarcane and grain prices in Brazil: a fractional cointegration approach

Biofuels, Bioproducts and Biorefining

Derick. D. Quintino

OlaOluwa. S. Yaya

C. M. Ogino

P. Ferreira

2023/6/15

Market efficiency and Volatility persistence of green investments before and during COVID-19 pandemic

Asian Economics Letters

O Yaya

R Akano

O Adekoya

2022

Stock market responses to COVID-19: The behaviors of mean reversion, dependence and persistence

Coskun Yener

Omokolade Akinsomi

Luis A Gil-Alana

OlaOluwa S Yaya

2023/4/9

Transmission of risks between energy and agricultural commodities: Frequency time-varying VAR, asymmetry and portfolio management

Resources Policy

Fumitaka Furuoka

OlaOluwa Simon Yaya

Pui Kiew Ling

Mamdouh Abdulaziz Saleh Al-Faryan

M Nazmul Islam

2023/3/1

Long memory cointegration and Dynamic Connectedness of Volatility in US dollar Exchange rates, with FOREX portfolio investment strategy.

Quantitative Finance and Economics

I. O. Ajao

H. A. Olayinka

M. A. Olugbode

OlaOluwa S. Yaya

O. I. Shittu

2023/12/15

Tail risk dependence, co-movement and predictability between green bond and green stocks

Applied Economics

Aviral Kumar Tiwari

Emmanuel Joel Aikins Abakah

OlaOluwa Simon Yaya

Kingsley Opoku Appiah

2023/1/7

Long Memory Cointegration in the Analysis of Maximum, Minimum and Range Temperatures in Africa: Implications for Climate Change

Atmosphere

OlaOluwa S Yaya

Oluwaseun A Adesina

Hammed A Olayinka

Oluseyi E Ogunsola

Luis A Gil-Alana

2023/8/16

Saudi Arabia’s' Vision 2030': Will She Likely Catch up with Any of the 18 Countries Ahead of Her, and When?

Available at SSRN 4158891

Oluwasegun Adekoya

OlaOluwa S Yaya

2022/7/10

Oil shocks and volatility of green investments: GARCH-MIDAS analyses

Resources Policy

OlaOluwa S Yaya

Ahamuefula E Ogbonna

Xuan Vinh Vo

2022/9/1

Growth and growth disparities in Africa: Are differences in renewable energy use, technological advancement, and institutional reforms responsible?

Structural Change and Economic Dynamics

Oluwasegun B Adekoya

OlaOluwa S Yaya

Johnson A Oliyide

Sunday MA Posu

2022/3

See List of Professors in OlaOluwa Simon Yaya University(University of Ibadan)

Co-Authors

H-index: 53
Luis Alberiko Gil-Alana

Luis Alberiko Gil-Alana

Universidad de Navarra

H-index: 31
Fumitaka Furuoka

Fumitaka Furuoka

Universiti Malaya

H-index: 18
Johnson Oliyide

Johnson Oliyide

Federal University of Agriculture, Abeokuta

H-index: 14
Olusanya Elisa Olubusoye

Olusanya Elisa Olubusoye

University of Ibadan

H-index: 13
Omokolade (Kola) Akinsomi

Omokolade (Kola) Akinsomi

University of the Witwatersrand

H-index: 7
Olalekan J. Akintande

Olalekan J. Akintande

University of Ibadan

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