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The purpose of this study is to determine the proportion of the population that will be susceptible to the COVID-19 pandemic, as well as the proportions of infections, recoveries and fatalities from the COVID-19 pandemic.

The design was a longitudinal survey of COVID-19 infections, recoveries and fatalities in Nigeria using the data on the daily updates of the Nigeria Centre for Disease Control for the period 1 May to 23 August 2020. Markov chain analysis was performed on the data.

The results showed that in the long run, 8.4% of the population will be susceptible to COVID-19 infections, 26.4% of them will be infected, 61.2% of the infected will recover and 4% will become fatal. Thus, if this pattern of infections and recoveries continue, the majority of the infected people in Nigeria will recover whilst a very small proportion of the infected people will die.

A dearth of the extant literature on the problem, especially from the management science perspective.

Results of the study will facilitate policymakers’ response to the curtailment of the pandemic in Nigeria.

Curtailing the pandemic through the results of this study will assist in easing the social consequences of the pandemic.

The proposed adjustment to the susceptibilities, infections and recoveries model through the introduction of a fourth state (fatality) to get the susceptibilities, infections, recoveries and fatalities model, signalling a point of departure from previous studies.

The purpose of the paper is to sought to know the implication of COVID-19 lockdown for food security in Nigeria

The study examined implication of COVID-19 lockdown for food security. The cross sectional survey research design was employed. Information was elicited from respondents through the social medium (Facebook). The question response format of the instrument was of the five-point Likert scale type. Research data were analysed using one sample t-test and least squares (regression).

The results show that COVID-19 lockdown can significantly constrain farm labour, transportation and security, while food security can be threatened by insufficient labour, transportation, farmers' morale and farm coordination

A major limitation was the restriction to only online data collection method owing to the researcher's inability to administer the instrument physically as a result of the lockdown. This had an implication on randomisation.

Long stay of people at home and away from farm activities will threaten food security on the long run and thus, precipitate social vices due to the attendant hunger and deprivation

In empirical examination of the impact of COVID-19 pandemic lockdown on food security, thereby providing statistical evidence that will be useful in the sensitisation of stakeholders on the need to thread on the part of caution to avoid the possible consequences of restricting farmers' operations through the COVID-19 lockdown.

The purpose of this paper is to investigate the nature of the inequalities in the usage of the internet and inequalities in the growth rate in the usage of the internet, and thus ascertain the possibility of convergence of the digital divide between the major regions of the world.

The design was a longitudinal study of the usage of internet and growth rate in the usage of the internet in the different regions of the world for the period 2009–2019. The quantitative research method was used. Simple percentages and F-test were used in data analysis.

The usage of internet in Asia and Europe is higher than all the other regions in the world but there is no significant difference in usage between the other regions. The results further showed that some of the digitally disadvantaged regions had higher growth rates in the usage of the internet and these digitally disadvantage states are not disadvantaged in access to smartphones and the emerging 5G technology, thus suggesting the possibility of imminent convergence in access to the internet given the increasing usage of smartphones for the internet subscription.

The focus on internet usage in the major regions of the world without recourse to the variability of the usage and growth rate of internet usage within the regions. The dearth of the empirical literature on quantitative research on the research problem was another constraint. Finally, restriction in available statistics on digital divide constrained the use of 2009–2019 as the periodic scope of the study.

Inclusion of ICT in the school curricula of the component states to acquaint them with information and communication technology (ICT) usage at an early stage, as well as provision of the enabling environment for business to thrive and through a national culture that will encourage businesses to be vibrant, and thus lay a foundation for future convergence.

Enhancement in employment opportunities through the increased investment in the ICT facilities and the subsequent reduction in social vices.

Use of secondary data through a longitudinal design to categorically indicate the differences between the different regions of the world in terms of internet usage, as well as the empirical determination of the discrepancies between the growth rates in the access to internet and usage of internet by different regions of the world, especially as regard some of the digitally disadvantaged regions having higher growth rates in the usage of the internet than the perceived digitally advantaged regions.

The study examined policy improvement and cassava attractiveness. The purpose was to determine the optimum rewards using three strategies: selling of farm produce to harvesters, making wholesale of harvested outputs and retailing harvested outputs.

Three hundred and sixty (360) cassava farmers were surveyed in three local government areas in Edo South senatorial district of Nigeria. From their responses, probabilities were assigned to rewards for each strategy from each of the locations. Subsequently, dynamic programming was employed in data analysis. Specifically, Howard policy improvement technique was used to forecast expected rewards to cassava farmers in the three local government areas using the three strategies.

Cassava farmers in Edo South senatorial district of Edo state, Nigeria, can maximize their earnings from cassava by retailing at the local markets in Oredo and Egor local government areas and by making wholesales at Ikpoba Okha local government area. Using this policy, they will realize approximately N2360 per basin and approximately N33040 per plot of 100 × 100 ft. This will translate to N143724 per acre (4.35 plots of 100 ft²).

Availability of storage facilities as well as technical constraints to cassava production.

Provision of jobs to the unemployed, thereby reducing the level of unemployment in the country.

Suggestion of the sales strategy that will yield optimum returns to cassava farmers, using policy iteration technique, and the projected estimates of the likely turnover when the strategy is adopted. This is a point of departure from previous studies. Thus, the study used operations research methodology to model solutions, through involvement in agriculture, to Nigeria's economic/financial problems, thus making it unique. In broad terms the study demonstrates that investment in agriculture will help to reduce unemployment and enhance the country's national income.