加纳的生态冲击与儿童入学率和农活

IF 2.2 Q2 DEVELOPMENT STUDIES
Edward Martey , Prince M. Etwire , Jonathan Mockshell , Ralph Armah , Eli Akorsikumah
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引用次数: 0

摘要

加快儿童教育和减少农业童工仍然是防止代际贫困和实现可持续发展目标的重要发展途径。虽然有几项研究分析了生态压力源对产量、收入和粮食安全的影响,但对普遍存在的生态冲击与儿童教育和农业工作之间的联系的理解有限。在本文中,我们使用第七轮加纳生活水平调查(GLSS)来研究害虫和杂草入侵的生态冲击对儿童上学率和农场工作时间的影响。我们采用多项内生性转换回归(MESR)模型来校正由观察到的和未观察到的异质性引起的选择偏差和内生性。结果表明:双冲击(病虫害和杂草)使儿童入学人数减少11%,使儿童在农场工作时间增加0.75 h。相比之下,杂草入侵导致的儿童入学人数下降(0.88)高于病虫害入侵导致的儿童入学人数下降(0.43)。此外,杂草入侵使儿童的农场工作时间增加了0.05小时,而害虫入侵使儿童的农场工作时间减少了0.08小时。增加获得与信贷和政策相结合的改良农业技术的机会对于减少生态冲击的威胁和改善农民福利至关重要。为了避免入学率和儿童工作时间的下降,需要培训农民减少连作,实行轮作和休耕,以减少害虫和杂草的蔓延。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ecological shocks and children’s school attendance and farm work in Ghana

Accelerating the education of children and reducing child labor in agriculture remains an important development pathway to preventing intergenerational poverty and achieving the sustainable development goals. While several studies have analyzed the impact of ecological stressors on yield, income, and food security, there is limited understanding of the linkages of prevailing ecological shocks to child education and farm work. In this paper, we examine the effect of ecological shocks of pest and weed invasion on children’s school attendance and working hours on the farm using the seventh round of the Ghana Living Standards Survey (GLSS). We employ a multinomial endogenous switching regression (MESR) model that corrects for selection bias and endogeneity originating from both observed and unobserved heterogeneity. The results show that double shocks (pests and weeds) reduced the number of children attending school by 11% and increased children’s on-farm working hours by 0.75 h. Comparatively, the decline in the number of children attending school due to weed invasion (0.88) is higher than the decline due to pest invasion (0.43). Furthermore, weed invasion increases children’s on-farm working hours by 0.05 h while pest invasion reduces children’s on-farm working hours by 0.08 h. Increasing access to improved agricultural technologies bundled with credit and policies are critical to reducing the threats from ecological shocks and improving farmers’ welfare. To avert the decline in school attendance and children’s working hours requires training farmers to reduce the practice of continuous cropping and to embrace crop rotation and fallow to reduce the spread of pests and weeds.

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来源期刊
World Development Perspectives
World Development Perspectives Social Sciences-Sociology and Political Science
CiteScore
4.50
自引率
0.00%
发文量
65
审稿时长
84 days
期刊介绍: World Development Perspectives is a multi-disciplinary journal of international development. It seeks to explore ways of improving human well-being by examining the performance and impact of interventions designed to address issues related to: poverty alleviation, public health and malnutrition, agricultural production, natural resource governance, globalization and transnational processes, technological progress, gender and social discrimination, and participation in economic and political life. Above all, we are particularly interested in the role of historical, legal, social, economic, political, biophysical, and/or ecological contexts in shaping development processes and outcomes.
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