Liu, Zhen: Impacts of Supermarkets on Food Consumers and Producers in China. - Bonn, 2025. - Dissertation, Rheinische Friedrich-Wilhelms-Universität Bonn.
Online-Ausgabe in bonndoc: https://nbn-resolving.org/urn:nbn:de:hbz:5-85050
@phdthesis{handle:20.500.11811/13452,
urn: https://nbn-resolving.org/urn:nbn:de:hbz:5-85050,
author = {{Zhen Liu}},
title = {Impacts of Supermarkets on Food Consumers and Producers in China},
school = {Rheinische Friedrich-Wilhelms-Universität Bonn},
year = 2025,
month = sep,

note = {Supermarkets are expanding rapidly in low- and middle-income countries. Compared to traditional food markets, supermarkets are larger, more integrated, and more efficient in procurement and sales. Hence, supermarkets have a more powerful influence on all actors along agri-food value chains. A key question is whether supermarkets are inclusive and beneficial to disadvantaged groups of consumers and producers. This dissertation addresses this knowledge gap through examining the impact of supermarkets on children, women, and smallholder farmers using panel data from China and econometric difference-in-differences techniques.
For consumers, increased supermarket access can improve nutrition. Chapter 2 shows that the nearby establishment of a supermarket increase dietary diversity and nutrient intake among children, with effects being particularly strong in rural areas and low-income households. The key mechanism is that supermarkets improve the availability and affordability of diverse foods. Notably, supermarkets also increase children’s height-for-age, a marker of better long-term nutrition, without increasing weight-for-age or the risk of overweight and obesity.
For women, the expansion of supermarkets alleviates the burden of unpaid work associated with gender-based social norms. Chapter 3 demonstrates that supermarkets offer convenient one-stop shopping and a wide variety of foods, which significantly reduces the time women spend on shopping and cooking. Importantly, these time savings are achieved without harming household dietary quality. In fact, we find positive nutritional effects on those with lower dietary quality. Such time savings also empower women through increasing their participation in paid employment, contributing to greater gender equality.
Supermarket expansion also affects smallholder farmers, though in nuanced ways. Chapter 4 finds positive income effects for remote grain farmers but neutral effects for peri-urban grain farmers. Specifically, supermarkets expand market access for remote farmers, leading to higher farm-gate prices and increased commercialization. Remote farmers also allocate more resources (i.e., land, labor, and purchased inputs) to grain production and finally earn higher income. Meanwhile, peri-urban farmers experience price declines and reduced commercialization due to intensified market competition. However, they adapt by shifting resources to off-farm work to maintain household income.
Overall, the key takeaway of this dissertation is that supermarket-led modernization of agri-food value chains fosters inclusive growth in the context of China: it uplifts disadvantaged consumers and producers without significant negative impacts on nutrition or welfare among other groups.},

url = {https://hdl.handle.net/20.500.11811/13452}
}

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