Over the past two decades, southern African countries have experienced rapid growth in the number and spread of supermarkets. Several factors have been attributed to this growth, including increasing urbanization, increased per capita income, the rise of the middle class, economies of scale and...

This paper explores the effect of the spread of supermarkets on the participation of suppliers in supermarket value chains in Botswana and South Africa. Using secondary data and in-depth interviews with key players in the value chain, the paper evaluates the buyer power of supermarkets evidenced...

Since the early 2000s, there has been rapid growth in the number and spread of supermarkets in southern Africa. This paper is a synthesis of key findings of studies undertaken in Botswana, South Africa, Zambia, and Zimbabwe on the expansion of supermarkets and the impact this has had on...

The World Bank’s Doing Business reports have evoked an intense policy debate about whether countries should simplify regulatory rules in order to stimulate investment and growth, or make them more stringent in order to achieve public policy objectives. Both sides of this debate, however,...

This paper examines whether digitalization can be a driver of "upgrading" in global value chains and help developing countries move into higher value-added activities. In particular, the paper provides empirical evidence on the impact of digital capabilities on product upgrading in Indian...

The Mexican land reform, one of the most sweeping in the world, proceeded in two steps: it granted peasants highly incomplete property rights on more than half of the Mexican territory starting in 1914, creating strong economic and political dependence for beneficiaries on the ruling political...

In this paper, we experimentally investigate the effect of public consumer ratings on market outcomes in credence goods markets. Contrary to search or experience goods, consumers cannot evaluate all dimensions of trade for credence goods, which may inhibit the information and reputation-building...

We study optimal direct mechanisms for a credence goods expert who can be altruistic or spiteful. The expert has private information about her distributional preferences and possibly also about her customer's needs. We introduce a method that allows the customer to offer separate contracts to...

Evidence on behavior of experts in credence goods markets raises an important causality issue: Do "fair prices" induce "good behavior", or do "good experts" post "fair prices"? To answer this question we propose and test a model with three seller types: "the good" choose fair prices and behave...

We study credence goods markets where an expert not only cares for her own monetary payoff, but also for the monetary payoff of her customer. We show how an expert with heterogeneous distributional preferences responds to monetary incentives in the absence of institutions, under liability and/or...