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Can we feed the world in the 21st century?

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In a recent speech, Stanford professor Rosamond Naylor examined the wide range of challenges contributing to global food insecurity, which Naylor defined as a lack of plentiful, nutritious and affordable food. Naylor's lecture, titled "Feeding the World in the 21st Century," was part of the quarterly Earth Matters series sponsored by Stanford Continuing Studies and the Stanford School of Earth Sciences. Naylor, a professor of Environmental Earth System Science and director of the Center on Food Security and the Environment at Stanford, is also a professor (by courtesy) of Economics, and the William Wrigley Senior Fellow at the Freeman Spogli Institute for International Studies and the Stanford Woods Institute for the Environment.

"One billion people go to bed day in and day out with chronic hunger," said Naylor. The problem of food insecurity, she explained, goes far beyond food supply. "We produce enough calories, just with cereal crops alone, to feed everyone on the planet," she said. Rather, food insecurity arises from a complex and interactive set of factors including poverty, malnutrition, disease, conflict, poor governance and volatile prices. Food supply depends on limited natural resources including water and energy, and food accessibility depends on government policies about land rights, biofuels, and food subsidies. Often, said Naylor, food policies in one country can impact food security in other parts of the world. Solutions to global hunger must account for this complexity, and for the "evolving" nature of food security.

As an example of this evolution, Naylor pointed to the success of China and India in reducing hunger rates from 70 percent to 15 percent within a single generation. Economic growth was key, as was the "Green Revolution," a series of advances in plant breeding, irrigation and agricultural technology that led to a doubling of global cereal crop production between 1970 and 2010. But Naylor warned that the success of the Green Revolution can lead to complacency about present-day food security challenges. China, for example, sharply reduced hunger as it underwent rapid economic growth, but now faces what Naylor described as a "second food security challenge" of micronutrient deficiency. Anemia, which is caused by a lack of dietary iron and which Naylor said is common in many rural areas of China, can permanently damage children's cognitive development and school performance, and eventually impede a country’s economic growth.

Hunger knows no boundaries

Although hunger is more prevalent in the developing world, food insecurity knows no geographic boundaries, said Naylor. Every country, including wealthy economies like the United States, struggles with problems of food availability, access, and nutrition. "Rather than think of this as 'their problem' that we don't need to deal with, really it's our problem too," Naylor said.

She pointed out that one in five children in the United States is chronically hungry, and 50 million Americans receive government food assistance. Many more millions go to soup kitchens every night, she added. "We are in a precarious position with our own food security, with big implications for public health and educational attainment," Naylor said. A major paradox of the United States' food security challenge is that hunger increasingly coexists with obesity. For the poorest Americans, cheap food offers abundant calories but low nutritional value. To improve the health and food security of millions of Americans, "linking policy in a way that can enhance the incomes of the poorest is really important, and it's the hard part,” she said.” It's not easy to fix the inequality issue."

Success stories

When asked whether there were any "easy" decisions that the global community can agree to, Naylor responded, "What we need to do for a lot of these issues is pretty clear, but how we get after it is not always agreed upon." She added, "But I think we've seen quite a few success stories," including the growing research on climate resilient crops, new scientific tools such as plant genetics, improved modeling techniques for water and irrigation systems, and better knowledge about how to use fertilizer more efficiently. She also said that the growing body of agriculture-focused climate research was encouraging, and that Stanford is a leader on this front.

Naylor is the editor and co-author of The Evolving Sphere of Food Security, a new book from Oxford University Press. The book features a team of 19 faculty authors from 5 Stanford schools including Earth science, economics, law, engineering, medicine, political science, international relations, and biology. The all-Stanford lineup was intentional, Naylor said, because the university is committed to interdisciplinary research that addresses complex global issues like food security, and because "agriculture is incredibly dominated by policy, and Stanford has a long history of dealing with some of these policy elements. This is the glue that enables us to answer really challenging questions." 

 

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Has the Food Price Bubble Burst?

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A reception in the lobby of Encina Hall will follow the event.

Bursting the Bubble: A Long Run Perspective

What are the long run drivers of global food prices? Given current market developments, what are the prospects for food price changes over the coming decades?

Thomas Hertel is Distinguished Professor of Agricultural Economics at Purdue University, where his research focuses on the global impacts of trade, climate and environmental policies. In 2013 he was awarded the inaugural Purdue University Research and Scholarship Distinction Award.  Professor Hertel is a former Cargill Visiting Fellow at the Center on Food Security and the Environment at Stanford.

Dr. Hertel is a Fellow, and Past-President, of the Agricultural and Applied Economics Association (AAEA). He is also the founder and Executive Director of the Global Trade Analysis Project (GTAP) which now encompasses more than 10,000 researchers in 150 countries around the world (http://www.gtap.org). This Project maintains a global economic data base and an applied general equilibrium modeling framework which are documented in the book: Global Trade Analysis: Modeling and Applications, edited by Dr. Hertel, and published by Cambridge University Press in 1997.

Professor Hertel’s most recent research has focused on the impacts of climate change and mitigation policies on global trade, land use and poverty. During the 2011-12 year he was on leave at Stanford University, where he was engaged in inter-disciplinary research on these topics.

Previously, Professor Hertel has conducted research on the impacts of multilateral trade agreements, including the linkages between global trade policies and poverty in developing countries. His book: Poverty and the WTO (co-edited with L. Alan Winters) received the AAEA Quality of Communication award. Other AAEA awards include: Distinguished Policy Contribution and Outstanding Journal Article.

If the Food Price Bubble Burst, Would It Matter?

What are the economic and political implications of a bursting of the food price bubble?

Johan Swinnen is President of the International Association of Agricultural Economists, a Fellow of the AAEA (Association of (the US) Agricultural and Applied Economists ); a Fellow of the ERAE (European Association of Agricultural Economists). He is also President of The Beeronomics Society. He holds a Ph.D from Cornell University and a Honorary Doctorate from the Slovak Agricultural University.

He is currently Visiting Professor at the Centre for Food Security and the Environment at Stanford University and (since many years) Professor of Economics and Director of the LICOS-Centre for Institutions and Economic Performance -- a Centre of Excellence -- at the KU Leuven, Belgium. He is also Senior Research Fellow at the Centre for European Policy Studies (CEPS), Brussels, where he directs the programme on EU agricultural and rural policy.

He was previously Lead Economist at the World Bank and Economic Advisor at the European Commission. He is a regular consultant for these organizations and for the OECD, FAO, the EBRD, and several Governments and was coordinator of several international research networks on food policy, institutional reforms, and economic development.

He has published widely on political economy, institutional reform, trade, global supply chains, product standards, agricultural policy and global food security. His publications have appeared in leading academic journals, such as the Journal of Economic Literature Science, and Nature.

This lecture is the first installment of FSE's Food and Nutrition Policy Symposium Series.

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Johan Swinnen

LICOS Center for Transition Economics
K.U.Leuven
Deberiotstraat
34 3000 Leuven, Belgium

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Professor at the University of Leuven (KUL) in Belgium. Research Affiliate, Rural Education Action Project, FSE Visiting Scholar
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Johan Swinnen is Professor of Development Economics and Director of LICOS Center for Institutions and Economic Performance at the University of Leuven (KUL) in Belgium. He is also Senior Research Fellow at the Centre for European Policy Studies (CEPS), Brussels, where he directs the programme on EU agricultural and rural policy. From 2003 to 2004 he was Lead Economist at the World Bank and from 1998 to 2001 Economic Advisor at the European Commission.

He is a regular consultant for these organizations and for the OECD, FAO, the EBRD, and several governments and was coordinator of several international research networks on food policy, institutional reforms, and economic development. He is President—Elect of the International Association of Agricultural Economists and a Fellow of the European Association of Agricultural Economists. He holds a Ph.D from Cornell University.  

His research focuses on institutional reform and development, globalization and international integration, media economics, and agriculture and food policy. His latest books are “Political Power and Economic Policy” (Cambridge Univ Press),  “The Perfect Storm: The Political Economy of the Reform of the Common Agricultural Policy” (CEPS),  “Global Supply Chains, Standards, and the Poor” (CABI), “Distortions to Agricultural Incentives in the Transition Economies of Europe and Central Asia” (World Bank Publications), and “From Marx and Mao to the Market” (Oxford University Press -- and Chinese translation by Beijing University Press). He is the president of The Beeronomics Society and editor of the book “The Economics of Beer” (Oxford Univ Press).

Johan Swinnen Professor of Development Economics and Director of LICOS Center for Institutions and Economic Performance at the University of Leuven (KUL) in Belgium Speaker

Thomas Hertel

Center on Food Security and the Environment
473 Via Ortega, room 365
Stanford, CA 94305-4205

(650) 721-2203
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Cargill Visiting Fellow
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Hertel is a Distinguished Professor of Agricultural Economics at Purdue University. His research focuses on the economy-wide impacts of global trade and environmental policies with a particular interest in the impacts of energy and climate policies on global land use and poverty. He is also Executive Director, and founder of the Center for Global Trade Analysis, and Past-President of the Agricultural and Applied Economics Association (AAEA).

During his stay at Stanford he undertook research into the impacts of climate change and climate policy on agriculture, food security and poverty. In the winter quarter he co-taught an FSE seminar (with David Lobell) on the long run determinants of global agricultural land use.

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Thomas Hertel Distinguished Professor of Agricultural Economics at Purdue University Speaker
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Food and Nutrition Policy Symposium Series

Strengths and weaknesses of the smallholder oil palm sector in Cameroon

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The present study is an evaluation of the current strengths and weaknesses of the oil palm smallholder sector in Cameroon, or more precisely of the non-industrial sector, as some holdings owned by elites can reach hundreds of hectares. A randomized sample of oil palm producers was chosen after categorization into elites, migrants, natives and company workers (past and present) in four palm oil production basins in the Southern part of the country. 176 semi-structured questionnaires were administered. The production basins included: Eseka, Dibombari, Muyuka, and Lobe. Results from the study revealed that elites owned larger average areas (41.3 ha) than the other categories of oil palm producers. All categories recorded low average plantation yields, ranging from 7 to 8.4 t FFB/ha/year (with minimum yields of 3 t FFB/ha). Though the elites showed better bargaining power and higher income, all categories of producers faced similar problems such as the high cost of inputs with no governmental subsidies, the difficulty in accessing loans with low interest rates and the use of rudimentary working tools. Despite such weaknesses, the sector also demonstrates some strengths such as the ability to impose little threat to the primary forest when compared to agro-industrial plantations, the availability of a domestic and sub-regional market for red palm oil, the availability of artisanal mills with low extraction rates although able to generate more income for the producers. There is a need for governmental policies that will strengthen partnership between small and medium oil palm producers and agroindustries as it was the case during the Fonader period, in order to converge with the poverty reduction strategy initiated by the government of Cameroon.

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Frontiers in Food Policy: Perspectives on Sub-Saharan Africa

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Frontiers in Food Policy: Perspectives on sub-Saharan Africa is a compilation of research stemming from the Global Food Policy and Food Security Symposium Series, hosted by the Center on Food Security and the Environment at Stanford University and funded by the Bill and Melinda Gates Foundation. The series, and this volume, have brought the world's leading policy experts in the fields of food and agricultural development together for a comprehensive dialogue on pro-poor growth and food security policy. Participants and contributing authors have addressed the major themes of hunger and rural poverty, agricultural productivity, resource and climate constraints on agriculture, and food and agriculture policy, with a focus on sub-Saharan Africa.

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Walter P. Falcon
Rosamond L. Naylor
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Africa's Food Systems in 2030

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Paul Collier will talk about how to manage the difference between helpful and damaging commercialisation, and puts forth three arguments. First, we need to face the tough reality that African food production has failed to keep pace with demand over the course of several decades, suggesting that there is a deep problem with respect to innovation and investment given the way African agriculture has been organised. Second, we need to accept that climate change, population growth, and income gains from natural resources will all stress this imbalance further: the prospect is for widening food deficits with business as usual. Third, two major changes are afoot. Globally, the model of commercial tropical agriculture pioneered in Brazil has demonstrated that output can be raised very substantially by changing the mode of organisation. Africa is now starting to open land markets to large foreign management. Superficially this looks like Brazil2, but it may instead be a wave of speculative acquisitions triggered by the price peaks of 2008.

Collier is the Director of the Centre for the Study of African Economies and Professor of Economics and Public Policy at the Blavatnik School of Government, Oxford University. He is currently Advisor to the Strategy and Policy Department of the IMF, advisor to the Africa Region of the World Bank; and he has advised the British Government on its recent White Paper on economic development policy. He has been writing a monthly column for the Independent, and also writes for the New York Times, the Financial Times, the Wall Street Journal, and the Washington Post. His research covers the causes and consequences of civil war; the effects of aid and the problems of democracy in low-income and natural-resources rich societies.

Derek Byerlee's talk will lay out a number of models of inclusive agribusiness growth, grouped into three categories (i) institutional arrangements for improving productivity of smallholders operating in spot markets, (ii) various types of contract farming arrangements, and (iii) large-scale farms that generate jobs and/or include community equity shares. The institutional and policy context as well as commodity characteristics that favor these models are discussed within a simple transactions cost framework. He will also discuss cross-cutting policy priorities to enable the growth of commercial agriculture and agribusiness. These include continuing reforms to liberalize product and input markets, access to technology and skills, stimulating financial and risks markets, securing land rights, and investment in infrastructure through public-private partnerships. 

Byerlee has dedicated his career to agriculture in developing countries, as a teacher, researcher, administrator and policy advisor. He has lived and worked for a total of 20 years in the three major developing regions-Africa, Asia, and Latin America. After beginning in academia at Michigan State University, he spent the bulk of his career at the International Maize and Wheat Improvement Center (CIMMYT). There as a economist and research manager he made notable contributions in forging a new spirit of collaboration between scientists, economists and farmers. He also published widely on efficiency of research systems, spillovers, and sustaining productivity in post green revolution agriculture. After joining the World Bank in 1994, he has applied his experience of research systems to finding innovative approaches to funding and organizing agricultural research, including emerging challenges in biotechnology policy. Since 2003, he has provided strategic direction and led policy world for the agricultural and rural sector in the World Bank.

 
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Paul Collier Director, Centre for the Study of African Economies, Oxford University Speaker
Derek Byerlee Independent Scholar, Director, 2008 World Development Report Speaker
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Global Food Policy and Food Security Symposium Series

India 1960-2010: Structural change, the rural non-farm sector, and the prospects for agriculture

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This paper looks at past and likely future agricultural growth and rural poverty reduction in the context of the overall Indian economy. The growth of India’s economy has accelerated sharply since the late 1980s, but agriculture has not followed suit. Rural population and especially the labor force are continuing to rise rapidly. Meanwhile, rural-urban migration remains slow, primarily because the urban sector is not generating large numbers of jobs in labor-intensive manufacturing. Despite a sharply rising labor productivity differential between non-agriculture and agriculture, limited rural-urban migration, and slow agricultural growth, urban-rural consumption, income, and poverty differentials have not been rising. Urban-rural spillovers have become important drivers of the rapidly growing rural non-farm sector—the sector now generates the largest number of jobs in India. Rural non-farm self-employment has become especially dynamic with farm households rapidly diversifying into the sector to increase income.

The growth of the rural non-farm sector is a structural transformation of the Indian economy, but it is a stunted one. It generates few jobs at high wages with job security and benefits. It is the failure of the urban economy to create enough jobs, especially in labor-intensive manufacturing, that prevents a more favorable structural transformation of the classic kind. Nevertheless, non-farm sector growth has allowed for accelerated rural income growth, contributed to rural wage growth, and prevented the rural economy from falling dramatically behind the urban economy. The bottling up of labor in rural areas, however, means that farm sizes will continue to decline, agriculture will continue its trend to feminization, and part-time farming will become the dominant farm model. Continued rapid rural income growth depends on continued urban spillovers from accelerated economic growth, and a significant acceleration of agricultural growth based on more rapid productivity and irrigation growth. Such an acceleration is also needed to satisfy the increasing growth in food demand that follows rapid economic growth and fast growth of per capita incomes.  

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Emerging Land Issues in African Agriculture: Implications for food security and poverty reduction strategies

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Despite the fact that sub-Saharan Africa in 2012 contains much of the world’s unutilized and underutilized arable land, a significant and growing share of Africa’s farm households live in densely populated areas. Based on two alternative spatial databases capable of estimating populations at the level of one square kilometer and distinguishing between arable and non-arable land, we find that in at least five of the 10 countries analyzed, 25 percent of the rural population resides in areas exceeding 500 persons per square kilometer, estimated by secondary sources as an indicative maximum carrying capacity for areas of rain-fed agriculture in the region. The apparent paradox of a large proportion of Africa’s rural population living in densely populated conditions amidst a situation of massive unutilized land is resolved when the unit of observation is changed from land units to people.

A review of nationally representative farm surveys shows a tendency of (1) declining mean farm size over time within densely populated smallholder farming areas; (2) great disparities in landholding size within smallholder farming areas, leading to highly concentrated and skewed patterns of farm production and marketed surplus; (3) half or more of rural farm households are either buyers of grain or go hungry because they are too poor to afford to buy food; most households in this category control less than one hectare of land; and (4) a high proportion of farmers in densely populated areas perceive that it is not possible for them to acquire more land through customary land allocation procedures, even in areas where a significant portion of land appears to be unutilized.

Ironically, there has been little recognition of the potential challenges associated with increasingly densely populated and land-constrained areas of rural Africa, despite the fact that a sizeable and increasing share of its rural population live in such areas. Inadequate access to land and inability to exploit available unutilized land are issues that almost never feature in national development plans or poverty reduction strategies. In fact, since the rise of world food prices after the mid-2000s, many African governments have made concerted efforts to transfer land out of customary tenure systems (where the majority of rural people reside) to the state or to private individuals who, it is argued, can more effectively exploit the productive potential of the land to meet national food security objectives. Such efforts have nurtured the growth of a relatively well-capitalized class of “emergent” African farmers. The growing focus on how best to exploit unutilized land in Africa has arguably diverted attention from the more central and enduring challenge of implementing agricultural development strategies that effectively address the continent’s massive rural poverty and food insecurity problems, which require recognizing the growing land constraints faced by much of its still agrarian-based population. The final section of the paper considers research and policy options for addressing these problems.

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African Agricultural Productivity Growth and R&D in a Global Setting

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This paper was prepared for Stanford University’s Global Food Policy and Food Security Symposium Series, hosted by the Center on Food Security and the Environment, and supported by the Bill and Melinda Gates Foundation.

Relative to other regions of the world, most African economies are still heavily reliant on agriculture as a source of income and employment. And with more than 70 percent of the continent’s poor residing in rural areas, the production and productivity performance of African agriculture is pivotal to overall economic growth and the well-being of the poorest people in the region. After a dismal decade of output growth in the 1970s, the rate of aggregate agricultural output growth picked up for each of the subsequent three decades, and averaged 2.83 percent per year during the 2000s. With population growing at still record rates by world standards, per capita output grew much more slowly, just 0.36 percent per year during the past decade. 

The productivity evidence is mixed and difficult to summarize. The rate of African crop yield growth (at least for the four crops given closer attention in this paper: corn, wheat, rice and soybean) is generally slower than elsewhere in the world, and in keeping with patterns seen elsewhere there has been a slowdown in the pace of average crop yield growth in Africa since around 1990. African land and labor productivity levels also generally lag those found elsewhere in the world, although aggregate land productivity in Africa outperformed that of Australia and New Zealand, another region of the world with challenging agricultural soils and heavy reliance on erratic (and often agriculturally marginal) weather. The reported rates of growth in multi-factor productivity (MFP) for African agriculture are also low by world standards, but the body of available evidence suggests that African MFP growth rates picked up in recent years. Unfortunately, the lack of reliable data and differences in the analytical details between the available studies makes it hard to reconcile the evidence and reach robust conclusions about MFP performance throughout sub-Saharan Africa.

Productivity levels and growth rates are affected by a host of factors, not least the technologies linking inputs to outputs and, by implication, the amount, nature and effectiveness of the innovative effort that develops and deploys these technologies. Although overall investments in African public agricultural research and development (R&D) have increased during the past decade or so, the growth in spending is not especially widespread and dominated by growth in just a few countries. Nigeria and Ethiopia account for half the region’s increase in agricultural R&D spending from 2000-2005—the latest year for which data are presently available. The intensity of public investment (i.e., agricultural R&D spending relative to the value of agricultural output) has increased as well. However, during the 2000-2005 period Africa spent just $0.54 on public research for every $100 of agricultural output, almost half the corresponding rest-of-world intensity ($1.05) and one-fifth of the rich country average ($2.70). Fragmented and typically small research agencies, and unstable funding streams still bedevil African agricultural research endeavors and undermine efficiencies in agricultural research that are intrinsically long-term in nature. Turning around these research realties in a meaningful and sustained fashion will be critical to realizing the long-term growth in African agriculture productivity that will be required to grow that sector in particular and the region’s economies more generally.


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