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Economies grow by upgrading the products they produce and export. The technology, capital, institutions, and skills needed to make newer products are more easily adapted from some products than from others. Here, we study this network of relatedness between products, or \"product space,\" finding that more-sophisticated products are located in a densely connected core whereas less-sophisticated products occupy a less-connected periphery. Empirically, countries move through the product space by developing goods close to those they currently produce. Most countries can reach the core only by traversing empirically infrequent distances, which may help explain why poor countries have trouble developing more competitive exports and fail to converge to the income levels of rich countries.

A \"supermarket revolution\" has occurred in developing countries in the past 2 decades. We focus on three specific issues that reflect the impact of this revolution, particularly in Asia: continuity in transformation, innovation in transformation, and unique development strategies. First, the record shows that the rapid growth observed in the early 2000s in China, Indonesia, Malaysia, and Thailand has continued, and the \"newcomers\"—India and Vietnam—have grown even faster. Although foreign direct investment has been important, the roles of domestic conglomerates and even state investment have been significant and unique. Second, Asia's supermarket revolution has exhibited unique pathways of retail diffusion and procurement system change. There has been \"precocious\" penetration of rural towns by rural supermarkets and rural business hubs, emergence of penetration of fresh produce retail that took much longer to initiate in other regions, and emergence of Asian retail developing-country multinational chains. In procurement, a symbiosis between modern retail and the emerging and consolidating modern food processing and logistics sectors has arisen. Third, several approaches are being tried to link small farmers to supermarkets. Some are unique to Asia, for example assembling into a \"hub\" or \"platform\" or \"park\" the various companies and services that link farmers to modern markets. Other approaches relatively new to Asia are found elsewhere, especially in Latin America, including \"bringing modern markets to farmers\" by establishing collection centers and multipronged collection cum service provision arrangements, and forming market cooperatives and farmer companies to help small farmers access supermarkets.

Fair Trade is a labeling initiative aimed at improving the lives of the poor in developing countries by offering better terms to producers and helping them to organize. Although Fair Trade–certified products still comprise a small share of the market—for example, Fair Trade–certified coffee exports were 1.8 percent of global coffee exports in 2009— growth has been very rapid over the past decade. Whether Fair Trade can achieve its intended goals has been hotly debated in academic and policy circles. In particular, debates have been waged about whether Fair Trade makes “economic sense” and is sustainable in the long run. The aim of this article is to provide a critical overview of the economic theory behind Fair Trade, describing the potential benefits and potential pitfalls. We also provide an assessment of the empirical evidence of the impacts of Fair Trade to date. Because coffee is the largest single product in the Fair Trade market, our discussion here focuses on the specifics of this industry, although we will also point out some important differences with other commodities as they arise.

We estimate the elasticity of U.S. farm exports to U.S. farm subsidies using a gravity model of statelevel farm exports to 100 major trading destinations for the period 1999 to 2011. Our identification strategy exploits the within-state variation that is free of endogeneity bias in the levels and trends of farm subsidies and farm exports. We find that a 1% decrease in farm subsidies would reduce U.S. farm exports by 0.40% per annum. This equivalently means that the complete abolishment of the farm subsidy program would reduce U.S. farm exports by approximately $15.3 billion per year. Importantly, we document robust evidence that amber box subsidy programs such as countercyclical payments and marketing loan gains have the strongest effect on farm exports, while green box subsidy payments, such as direct payments have negligible effects. Finally, subsidy payments affect exports only in agricultural commodities, not in livestock. Our subsidy elasticity estimates are statistically significant, stable, and economically meaningful, and are vitally needed by U.S. and global policymakers in the face of critical domestic and international developments.

The rise of private food standards has brought forth an ongoing debate about whether they work as a barrier for smallholders and hinder poverty reduction in developing countries. This paper uses a global value chain approach to explain the relationship between value chain structure and agrifood safety and quality standards and to discuss the challenges and possibilities this entails for the upgrading of smallholders. It maps four potential value chain scenarios depending on the degree of concentration in the markets for agrifood supply (farmers and manufacturers) and demand (supermarkets and other food retailers) and discusses the impact of lead firms and key intermediaries on smallholders in different chain situations. Each scenario is illustrated with case examples. Theoretical and policy issues are discussed, along with proposals for future research in terms of industry structure, private governance, and sustainable value chains.

The agricultural and food sector is an ideal case for investigating the political economy of public policies. Many of the policy developments in this sector since the 1950s have been sudden and transformational, while others have been gradual but persistent. This article reviews and synthesizes the literature on trends and fluctuations in market distortions and the political-economy explanations that have been advanced. Based on a rich global data set covering a half-century of evidence on commodities, countries, and policy instruments, we identify hypotheses that have been explored in the literature on the extent of market distortions and the conditions under which reform may be feasible.

Neoliberalism is generally understood as a system of ideas circulated by a network of right-wing intellectuals, or as an economic system mutation resulting from crises of profitability in capitalism. Both interpretations prioritize the global North. We propose an approach to neoliberalism that prioritizes the experience of the global South, and sees neoliberalism gaining its main political strength as a development strategy displacing those hegemonic before the 1970s. From Southern perspectives, a distinct set of issues about neoliberalism becomes central: the formative role of the state, including the military; the expansion of world commodity trade, including minerals; agriculture, informality, and the transformation of rural society. Thinkers from the global South who have foregrounded these issues need close attention from the North and exemplify a new architecture of knowledge in critical social science.

As U.S. farm exports soar, so does concern about ammonia pollution. A new study finds that ammonia pollution linked to U.S. farming may impose human health costs that are greater than the profits earned by agricultural exports. Some analysts say the findings highlight the need to pay more attention to ammonia pollution caused by fertilizer use and livestock agriculture.

In this paper we address two topical questions: How do the quality of governance and agricultural intensification impact on spatial expansion of agriculture? Which aspects of governance are more likely to ensure that agricultural intensification allows sparing land for nature? Using data from the Food and Agriculture Organization, the World Bank, the World Database on Protected Areas, and the Yale Center for Environmental Law and Policy, we estimate a panel data model for six South American countries and quantify the effects of major determinants of agricultural land expansion, including various dimensions of governance, over the period 1970–2006. The results indicate that the effect of agricultural intensification on agricultural expansion is conditional on the quality and type of governance. When considering conventional aspects of governance, agricultural intensification leads to an expansion of agricultural area when governance scores are high. When looking specifically at environmental aspects of governance, intensification leads to a spatial contraction of agriculture when governance scores are high, signaling a sustainable intensification process.