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Empirical evidence is scanty on the nexus between caregivers&rsquo, nutrition knowledge, market accessibility, and preschool children&rsquo, s dietary diversity in remote communities of Africa&rsquo, s most populous country, Nigeria. To fill this gap, this study evaluated the effects of caregivers&rsquo, nutrition knowledge and access to food market on dietary diversity of preschool children. We used cross-sectional data from four hundred households selected from twenty remote communities in Southeast Nigeria. The study adopted instrumental variable regression to estimate the impacts of nutrition knowledge and food market access on preschool children&rsquo, s dietary diversity. The findings show that in remote communities, caregivers&rsquo, nutrition knowledge and households&rsquo, closeness to the market improved preschool children&rsquo, s dietary diversity. The study demonstrates the potential of improving preschool children&rsquo, s nutrition outcomes through enhancing access to food market and the nutrition knowledge of the caregivers.

Empirical evidence is lacking on the nexus between coffee commodity output, climate change, and commodity price volatility of Africa&rsquo, s most populous country, Nigeria, and other developing countries. To fill this gap, this study analyzed the reaction of coffee output to climate change and commodity price volatility. We used secondary data from 1961 to 2015 from reliable sources for Nigeria. The study adopted generalized autoregressive conditional heteroscedasticity (GARCH), autoregressive conditional heteroscedasticity (ARCH), and fully modified ordinary least square (FMOLS) in analysis of coffee output reaction to climate change and commodity price volatility. The findings show that coffee output in Nigeria is influenced by climate change and the international commodity price of coffee. The study demonstrates the potential benefits of improving coffee output and export through climate mitigation and adaptation measures and revival of agricultural commodity marketing in Nigeria and other developing countries.