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Dissertation
Assessment of women's preferences for wage employment contracts in horticulture export chains: a choice experiment in Senegal

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Abstract

This thesis contributes to the scarce literature about employees' preferences for specific attributes in their labor contract, with a case study for the Senegalese horticulture export sector. The horticulture export sector in Sub-Saharan Africa (SSA) has grown tremendously (McCulloch & Ota, 2002). Since the production of most of the exported produces is very labor-intensive, a major consequence of the emergence of the horticulture export industry for rural societies is that large numbers of mostly unskilled female workers are drawn into labor-intensive rural wage employment (Dolan & Sorby, 2003). We used an unlabeled choice experiment to reveal, analyze and quantify the preferences rural women have for different aspects of a labor contract. Our case study focuses on women between 18 and 40 years old who do not have any experience with wage employment, but who live nearby a horticulture export company's new plantation site, which is planned to open within 4 year. This new plantation site will need 600 new flexible daily workers of which almost all will be filled in by women living in the neighboring villages. A multinomial logit model, a mixed logit model and a latent class model are used to analyze the preference heterogeneity in our data. The main conclusion of this choice experiment is that overall, women have a high preference to accept a labor contract in the horticulture export sector, mainly because they think and hope it will increase their independence. We found that women living in remote rural areas are very eager to be wage employed, since there are no other off-farm working opportunities. We advocate for the provision of extra services to the workforce, even though most of them are informal, daily and seasonal laborers. Literature also pointed out that these benefits, for women even more than for men, could be helpful to combine both unpaid caring work and paid off-farm employment.

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Dissertation
Rural development in Sub-Saharan Africa : Essays on food supply chains, labour markets and fertility
Authors: --- --- ---
Year: 2022 Publisher: Leuven KU Leuven. Faculty of Bioscience Engineering

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Rural development can be a major welfare catalyst for rural Sub-Saharan African regions, as more than 80% of the poor live in rural areas and derive their livelihoods from a limited range of (on-farm) activities. Rural development - an umbrella term for all activities, programs and strategies that target to improve the livelihoods of rural households - comprises both agricultural and non-agricultural development, and can be triggered through macro-scale market interventions and micro-scale public interventions. In more recent rural development strategies, four pillars can be distinguished: the establishment of strong empowered local institutions for governance, the development of rural labour markets and education facilities, the introduction of social (safety net) programs and the development of resilient supply chains. In this dissertation I focus on the last three, and more specifically on resilient high value supply chain development, labour market development and rural fertility.In chapter two I descriptively investigate the Covid-19 pandemic's early impact on the fresh fruits and vegetables supply chain in Senegal, using trade statistics and survey data collected through online questionnaires and telephone interviews with all relevant FFV supply chain actors. The results point to major differences in how Covid-19 and containment measures disrupt supply chains between the modern export-oriented supply chain and the more traditional domestic-oriented supply chain. The former shows to be more resilient to the Covid-19 shock. I show that both the modern and the traditional supply chain innovate to cope with the Covid-19 containment measures. While the study is subject to some limitations, the findings bring nuance in the debate on the resilience of food system to the pandemic, and have important policy and research implications toward international trade, social safety measures, and food and nutrition security.In chapter three I asses conceptually and empirically the direct and indirect welfare effects of entry and continuation in different types of wage employment in the Senegal River Delta region in rural Senegal. I use panel data, fixed effects and first-difference estimation, and show substantial positive welfare and linkage effects. I find that participation in wage employment increases per capita income by 143%, and reduces poverty, poverty gap and food insecurity by, respectively, 63%, 89% and 48%. While the direct effect on income is larger for non-agricultural and contractual wage employment, the indirect income effects through self-employment are more pronounced for agricultural and casual wage employment. The results imply that job creation is important for rural development, that wage employment in agriculture can lead to considerable growth multiplier effects, and that synergies exist between large-scale and small-scale agriculture.In chapter four I use choice experimental data that values preferences with respect to fertility (the household's number of children) and child-raising (the education, nutrition and health care provisioning of the children), using a sample of married couples living in the SRD region in Senegal and the Mount Elgon region in Uganda. As the experiment was first implemented with both spouses separately, and repeated with the spouses jointly as couple, I am able to distinguish between individual and household choices, to analyse spouses' preferences on fertility and child-raising, and to calculate a decision-making coefficient. The results show that the assumptions of the basic unitary household model and the practice of traditional survey-based data collections should be used in a more considerate way and interpreted with more caution. Moreover, I find that a representative mix of husbands and wives cannot substitute for choices made at the household level. The results reveal that fertility and child-raising choices of spouses are highly country-specific. This study reveals the importance of considering the adequate decision-making unit when designing family planning and child-centred programs, and to use a country- or region-specific approach.In chapter five I use the same choice experimental data collected in Senegal and Uganda, to add to the knowledge on rural fertility preferences and the existence of a quantity-quality trade-off between the number of children and child-raising quality. I include three socio-economic drivers of fertility to the analysis: education level, poverty level and polygamy status of the relation. The results show that rural households prefer to have many children, but non-poor and monogamous respondents demonstrate a lower preference for many children than poor and polygamous respondents. I find that the quantity-quality trade-off is a two-sided story. On the one hand, for most of the quality attributes, I confirm the existence of a trade-off. On the other hand, quantity and quality are complementary when all children in the household can attain a lower secondary school diploma. The results imply that broadening the currently narrow focus on contraceptive uptake in family planning programs, and more specific targeting of such programs to people with low fertility preferences, could improve their effectiveness.Overall this dissertation shows that an integrated approach to rural development must include both macro-scale market interventions and micro-scale public interventions. First, macro-scale market interventions are needed to incentivise overall economic growth and rural labour market expansion. These interventions need to target rural areas, the agricultural sector and unskilled labour to optimise the inclusion of the poor. Second, if rural population growth is to be reduced drastically in the coming decades in SSA - which is a highly necessary prerequisite for economic growth to contribute to rural development - well-targeted and well-defined micro-scale public interventions are needed in rural areas.

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Dissertation
Farmers’ interest in innovative approaches for sustainable vanilla production: A choice experiment in Southwest Costa Rica

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The world’s vanilla production is concentrated in two countries, Madagascar and Indonesia, and is based on one species, Vanilla planifolia. The result is a highly fragile vanilla supply chain with volatile prices. In recent years, this unstable market has encouraged spice companies in vanilla importing countries to consider alternative origins for their vanilla. Several countries located within the native ranges of vanilla, the neotropics, still harbour a large amount of native Vanilla species and offer suitable conditions to set up a vanilla production scheme. However, to deploy a profitable and sustainable vanilla production chain in these countries, one first needs to understand farmers’ preferences for different production systems. Such information is currently lacking in the literature, yet it is essential to ensure a vanilla production scheme that is tailored to famers’ needs. This study investigates the preferences of farmers for cultivating vanilla in agroforestry systems using an unlabelled discrete choice experiment with a sample of 186 farmers in Southwest Costa Rica. A conditional logit, mixed logit and latent class model are used to analyse the impact of certain production characteristics on farmers’ willingness to cultivate vanilla. The results indicate that, in general, farmers prefer cultivating vanilla in an intercropped agroforestry system, using native vanilla species and manual pollination, while being part of a cooperative and selling green vanilla beans. The type of contract is the single most important attribute to farmers. However, farmers’ preferences vary – and even reverse in sign – depending on their socioeconomic and agronomic background, such as level of education, involvement in reforestation or palm oil cultivation, and the level at which they currently sell their products (local, national or international). Two groups of farmers are identified: the early adopter farmers, who are interested to cultivate vanilla, and the business-as-usual farmers, who prefer their status quo. The results of this study provide a foundation for further research aimed at generating viable vanilla production schemes in tropical areas. This study can serve as an example on how to foster agricultural development by taking into account the preferences and needs of local farmers and, as a result, improve the design and implementation of extension programs.

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