The study investigates the determinants of electronic payment adoption and the role of electronic payment on consumers' purchase decisions as well as its effects on consumers' spending growth in Nigeria. To achieve this, both primary and secondary data were deployed. The primary data were collected through a cross-sectional survey of banks' customers who have experienced the e-payment modes in Lagos state, Nigeria. The questionnaire was designed in line with Likert scale and validated. Fifty copies of the questionnaire were piloted. The copies retrieved were subjected to Cronbach alpha test of reliability. All the six variables were found to be reliable ranging between 0.725 and 0.828 Cronbach alpha values, which are within the acceptable limit. The sample size for this study, as determined through Cochran formulae is 384. In like manner, the instrument of data collection was administered on 420 respondents by using the multistage sampling technique to sample respondents across five divisions (locations) of Lagos. The data retrieved were analysed using descriptive (frequency and percentage) and inferential statistics (Pearson correlation, hierarchical regression analysis and analysis of variance). The results revealed that there is a positive significant relationship between electronic payment systems determinants (convenience, security and safety, trust, social influence) and e-payment adoption in Nigeria. These variables accounted for more than half ( 3 / 5 ) of what influences consumers' adoption of e-payment mode of transaction in Nigeria. The results from the estimations show that factors such as educational attainment, financial inclusion, income level, internet service availability and other financial infrastructures such as point-of-sale machines and mobile banking services are critical determinants of e-payment adoption in Nigeria. The results also indicate that electronic payment influences consumers' purchase decisions and thus increasing consumers' spending growth in Nigeria. The policy implication advanced by this study is that the Nigerian government can leverage on electronic payment to increase consumers' spending and thus improve aggregate demand which will consequently stimulate investment and economic growth in the country.

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ICT infrastructure is considered crucial to performance and overall development of many sectors in sub-Saharan Africa (SSA). Yet, there exists insufficient evidence on the effect of ICT on agriculture real output and export performance in the African continent. This study investigates the effect of ICT infrastructure on agriculture sector performances in SSA using panel autoregressive distributed lag (ARDL) approach. Panel data were collected over the period of twenty-three (23) years (1995–2017) in 39 SSA countries. Two models were specified using agricultural value addition and agriculture products as a percentage of total merchandise export as dependent variables. Key independent variables include mobile-cellular telephone subscription and individual using the internet. The study also introduced important control variables such as livestock production index and crop production index. The results from the estimation provide substantial evidence to show that ICT infrastructure has positive externality on agricultural sector performances in the long run. However, there is no evidence to maintain this position in the short run. The study, therefore, recommends that there should be a cautious approach to increasing investment in ICT infrastructure. Provision of in ICT infrastructure alone may not automatically improve agricultural output. Thus, there is a need for extension services to propagate and educate farmers on the importance of continuous adoption of ICT infrastructure for agricultural practices in SSA.

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Background: In the context of flattening the curve of the spread of coronavirus in Nigeria, some factors were considered. This study aimed to investigate the relationship between some of the considered factors and physical activity and investigate sex differences on physical activity during the coronavirus pandemic in Nigeria.  Methods: The study was cross-sectional using an online survey and recruited participants from Nigeria's southwest geopolitical zone through the snowball sampling technique. Descriptive statistics (such as percentages), correlation analyses, and t-test of independent measures were used to analyze the data collected. The data collection was conducted from April to June 2020. Results: The participants' age ranges from 18 to 73years, with a mean age of 42.9 years, a median of 43years, and a standard deviation of 5.41. The result showed a significant difference between males and females (x ̅= 1001.21; SD=1371.83) on moderate physical activity during the pandemic in Nigeria. However, there was no significant relationship between contextual factors; perception of the spread [r (467) =0.028; P>0.05], fear of contracting COVID-19 [r (467) =0.041; P>0.05], stay at home measures [r (467) =-0.030; P>0.05], sensitizing others about COVID-19 [r (467) =-0.044; P>0.05], compliance with safety rules and regulations [r (467) =0.052; P>0.05] and overall physical activity. Conclusion: The study concluded that the relationship between contextual variables and physical activity among Nigerian people during the COVID-19 pandemic is not significant. Secondly, males and females are not different on vigorous and walking physical activity levels.