Jagger Pamela, Jumbe Charles
Department of Public Policy and Carolina Population Center, University of North Carolina at Chapel Hill, CB#8120, 211 West Cameron Avenue, Chapel Hill, NC, USA.
Center for Agricultural Research and Development, Lilongwe University of Agriculture and Natural Resources, P.O. Box 219, Lilongwe, Malawi.
Energy Policy. 2016 May;92:409-419. doi: 10.1016/j.enpol.2016.02.034. Epub 2016 Feb 17.
Malawi has set a target of adoption of two million improved cookstoves (ICS) by 2020. Meeting this objective requires knowledge about determinants of adoption, particularly in rural areas where the cost of traditional cooking technologies and fuels are non-monetary, and where people have limited capacity to purchase an ICS. We conducted a discrete choice experiment with 383 households in rural Malawi asking them if they would chose a locally made ICS or a package of sugar and salt of roughly equal value. Six months later, we assessed adoption and stove use patterns. Sixty-six percent of households chose the ICS. We find that having a larger share of crop residues in household fuel supply, awareness of the environmental impacts of woodfuel reliance, time the primary cook devotes to collecting fuelwood, and peer effects at the village-level increase the odds of choosing the ICS. Having a large labor supply for fuelwood collection and experience with a non-traditional cooking technology decreased the odds of choosing the ICS. In a rapid assessment six months after stoves were distributed, we found 80% of households were still using the ICS, but not exclusively. Our findings suggest considerable potential for wide-scale adoption of ICS in Malawi.
马拉维设定了到2020年推广200万台改良炉灶(ICS)的目标。要实现这一目标,需要了解影响炉灶采用的因素,特别是在农村地区,传统烹饪技术和燃料的成本并非货币成本,而且人们购买改良炉灶的能力有限。我们对马拉维农村地区的383户家庭进行了一项离散选择实验,询问他们会选择一台当地制造的改良炉灶还是一包价值大致相当的糖和盐。六个月后,我们评估了炉灶的采用情况和使用模式。66%的家庭选择了改良炉灶。我们发现,家庭燃料供应中作物残渣所占比例较大、对依赖木柴燃料的环境影响有所认识、主要做饭者用于收集柴火的时间以及村庄层面的同伴效应会增加选择改良炉灶的几率。有大量劳动力供应用于收集柴火以及有使用非传统烹饪技术的经验则会降低选择改良炉灶的几率。在炉灶分发六个月后的一项快速评估中,我们发现80%的家庭仍在使用改良炉灶,但并非只使用改良炉灶。我们的研究结果表明,马拉维在大规模采用改良炉灶方面有很大潜力。