January 2025

Assessing motorcycle taxis as transport option in the urban life of African cities: The case of Accra, Ghana

Increasingly, motorcycle taxis are offering convenient and affordable means of navigating congested and inaccessible urban road systems in Africa. They play a vital role in the transportation systems in some African cities. Popularly referred to as “Okada” in Ghana and Nigeria, motorcycle taxis are heavily patronized because of their obvious strengths as compared to other transportation systems. Using...

Author(s): Seth Appiah-Opoku, Kwaku Karikari Manu and Lord Ebow Sampson

February 2025

Oil price shocks and agricultural output in an oil rich nation: Empirical insights from a fractional integration approach

The impact of oil price shocks on the economy of nations has attracted the attention of researchers for almost four decades. This article deals with modeling the relationship between shocks in oil prices and agricultural output series in Nigeria using a regression model that employs long memory and fractionally integrated methods. The data spans from 1991 to 2020. The results indicate that oil price shocks do not...

Author(s): Olushina Olawale Awe, Samuel Chibuzor Umeh, and Luis Alberiko Gil-Alana,