Wahbi Annkathrin, Nordmeyer Eike, Ölkers Tim, Musshoff Oliver
Department of Agricultural Economics and Rural Development, Georg-August-University Goettingen, Goettingen, Germany.
PLoS One. 2025 Jul 11;20(7):e0326873. doi: 10.1371/journal.pone.0326873. eCollection 2025.
Despite worldwide initiatives to alleviate poverty, 35% of Sub-Saharan Africa's population continues to live below the poverty line. In light of this, many regard the promotion of saving as a cost-efficient and low-risk strategy for household resilience and pro-poor development. We assess saving determinants for 374 Malian farmers by employing a two-step selection model. As a first step, we assess determinants of whether or not a farmer saves by applying a probit model. In a second step, we estimate an Ordinary Least Squares regression to investigate a farmer's savings amount. In both steps, we disaggregate the outcome variable on whether respondents save through mobile money, via a bank account, or a secret place. To address endogeneity concerns, we apply an instrumental variable approach using the walking distance to the next mobile money agent as an instrument. We find considerable heterogeneity in saving determinants and identify a particularly strong role of supply-side factors such as infrastructure quality. Furthermore, the results suggest that saving with a secret place is persistently popular, in particular among younger respondents and those who do not have access to a smartphone in their household. This indicates a potential to transfer these hidden savings to formal accounts for interest earnings and potentially safer storage. The findings have implications for improving financial practices and resilience among smallholder farmers in low-income economies, suggesting the transformative potential of secure and accessible saving mechanisms.
尽管全球都在采取举措减轻贫困,但撒哈拉以南非洲地区仍有35%的人口生活在贫困线以下。鉴于此,许多人将促进储蓄视为增强家庭抗风险能力和推动扶贫发展的一种经济高效且低风险的策略。我们采用两步选择模型评估了374名马里农民的储蓄决定因素。第一步,我们运用概率单位模型评估农民是否储蓄的决定因素。第二步,我们估计普通最小二乘法回归,以研究农民的储蓄金额。在这两个步骤中,我们都根据受访者是通过移动货币、银行账户还是秘密地点进行储蓄来对结果变量进行分解。为了解决内生性问题,我们采用工具变量法,将到下一个移动货币代理机构的步行距离作为工具变量。我们发现储蓄决定因素存在显著的异质性,并确定了基础设施质量等供给侧因素的特别重要作用。此外,结果表明,将钱存放在秘密地点的做法一直很普遍,尤其是在年轻受访者以及家中没有智能手机的人群中。这表明有可能将这些隐藏的储蓄转移到正规账户中以获取利息收入,并实现可能更安全的存储。这些发现对于改善低收入经济体中小农户的金融实践和抗风险能力具有启示意义,表明安全且便捷的储蓄机制具有变革潜力。