By Esther Duflo
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Why do the poor borrow to save? Why do they miss out on free life-saving immunizations, but pay for unnecessary drugs? In Poor Economics, Abhijit V. Banerjee and Esther Duflo, two award-winning MIT professors, answer these questions based on years of field research from around the world. Called “marvelous, rewarding” by the Wall Street Journal, the book offers a radical rethinking of the economics of poverty and an intimate view of life on 99 cents a day. Poor Economics shows that creating a world without poverty begins with understanding the daily decisions facing the poor.
For our mothers,
Nirmala Banerjee and
Nirmala Banerjee and
Esther was six when she read in a comic book on Mother Teresa that the city then called Calcutta was so crowded that each person had only 10 square feet to live in. She had a vision of a vast checkerboard of a city, with 3 feet by 3 feet marked out on the ground, each with a human pawn, as it were, huddled into it. She wondered what she could do about it.
When she finally visited Calcutta, she was twenty-four and a graduate student at MIT. Looking out of the taxi on her way to the city, she felt vaguely disappointed; everywhere she looked, there was empty space—trees, patches of grass, empty sidewalks. Where was all the misery so vividly depicted in the comic book? Where had all the people gone?
At six, Abhijit knew where the poor lived. They lived in little ramshackle houses behind his home in Calcutta. Their children always seemed to have lots of time to play, and they could beat him at any sport: When he went down to play marbles with them, the marbles would always end up in the pockets of their ragged shorts. He was jealous.
This urge to reduce the poor to a set of clichés has been with us for as long as there has been poverty: The poor appear, in social theory as much as in literature, by turns lazy or enterprising, noble or thievish, angry or passive, helpless or self-sufficient. It is no surprise that the policy stances that correspond to these views of the poor also tend to be captured in simple formulas: "Free markets for the poor," "Make human rights substantial," "Deal with conflict first," "Give more money to the poorest," "Foreign aid kills development," and the like. These ideas all have important elements of truth, but they rarely have much space for average poor women or men, with their hopes and doubts, limitations and aspirations, beliefs and confusion. If the poor appear at all, it is usually as the dramatis personae of some uplifting anecdote or tragic episode, to be admired or pitied, but not as a source of knowledge, not as people to be consulted about what they think or want or do.
All too often, the economics of poverty gets mistaken for poor economics: Because the poor possess very little, it is assumed that there is nothing interesting about their economic existence. Unfortunately, this misunderstanding severely undermines the fight against global poverty: Simple problems beget simple solutions. The field of anti-poverty policy is littered with the detritus of instant miracles that proved less than miraculous. To progress, we have to abandon the habit of reducing the poor to cartoon characters and take the time to really understand their lives, in all their complexity and richness. For the past fifteen years, we have tried to do just that.
We are academics, and like most academics we formulate theories and stare at data. But the nature of the work we do has meant that we have also spent months, spread over many years, on the ground working with NGO (nongovernmental organization) activists and government bureaucrats, health workers and microlenders. This has taken us to the back alleys and villages where the poor live, asking questions, looking for data. This book would not have been written but for the kindness of the people we met there. We were always treated as guests even though, more often than not, we had just walked in. Our questions were answered with patience, even when they made little sense; many stories were shared with us.1
Back in our offices, remembering these stories and analyzing the data, we were both fascinated and confused, struggling to fit what we were hearing and seeing into the simple models that (often Western or Western-trained) professional development economists and policy makers have traditionally used to think about the lives of the poor. More often than not, the weight of the evidence forced us to reassess or even abandon the theories that we brought with us. But we tried not to do so before we understood exactly why they were failing and how to adapt them to better describe the world. This book comes out of that interchange; it represents our attempt to knit together a coherent story of how poor people live their lives.
Our focus is on the world's poorest. The average poverty line in the fifty countries where most of the poor live is 16 Indian rupees per person per day.2 People who live on less than that are considered to be poor by the government of their own countries. At the current exchange rate, 16 rupees corresponds to 36 U.S. cents. But because prices are lower in most developing countries, if the poor actually bought the things they do at U.S. prices, they would need to spend more—99 cents. So to imagine the lives of the poor, you have to imagine having to live in Miami or Modesto with 99 cents per day for almost all your everyday needs (excluding housing). It is not easy—in India, for example, the equivalent amount would buy you fifteen smallish bananas, or about 3 pounds of low-quality rice. Can one live on that? And yet, around the world, in 2005, 865 million people (13 percent of the world's population) did.
What is striking is that even people who are that poor are just like the rest of us in almost every way. We have the same desires and weaknesses; the poor are no less rational than anyone else—quite the contrary. Precisely because they have so little, we often find them putting much careful thought into their choices: They have to be sophisticated economists just to survive. Yet our lives are as different as liquor and liquorice. And this has a lot to do with aspects of our own lives that we take for granted and hardly think about.
Living on 99 cents a day means you have limited access to information—newspapers, television, and books all cost money—and so you often just don't know certain facts that the rest of the world takes as given, like, for example, that vaccines can stop your child from getting measles. It means living in a world whose institutions are not built for someone like you. Most of the poor do not have a salary, let alone a retirement plan that deducts automatically from it. It means making decisions about things that come with a lot of small print when you cannot even properly read the large print. What does someone who cannot read make of a health insurance product that doesn't cover a lot of unpronounceable diseases? It means going to vote when your entire experience of the political system is a lot of promises, not delivered; and not having anywhere safe to keep your money, because what the bank manager can make from your little savings won't cover his cost of handling it. And so on.
All this implies that making the most of their talent and securing their family's future take that much more skill, willpower, and commitment for the poor. And conversely, the small costs, the small barriers, and the small mistakes that most of us do not think twice about loom large in their lives.
It is not easy to escape from poverty, but a sense of possibility and a little bit of well-targeted help (a piece of information, a little nudge) can sometimes have surprisingly large effects. On the other hand, misplaced expectations, the lack of faith where it is needed, and seemingly minor hurdles can be devastating. A push on the right lever can make a huge difference, but it is often difficult to know where that lever is. Above all, it is clear that no single lever will solve every problem.
Poor Economics is a book about the very rich economics that emerges from understanding the economic lives of the poor. It is a book about the kinds of theories that help us make sense of both what the poor are able to achieve, and where and for what reason they need a push. Each chapter in this book describes a search to discover what these sticking points are, and how they can be overcome. We open with the essential aspects of people's family lives: what they buy; what they do about their children's schooling, their own health, or that of their children or parents; how many children they choose to have; and so on. Then we go on to describe how markets and institutions work for the poor: Can they borrow, save, insure themselves against the risks they face? What do governments do for them, and when do they fail them? Throughout, the book returns to the same basic questions. Are there ways for the poor to improve their lives, and what is preventing them from being able to do these things? Is it more the cost of getting started, or is it easy to get started but harder to continue? What makes it costly? Do people sense the nature of the benefits? If not, what makes it hard for them to learn them?
Poor Economics is ultimately about what the lives and choices of the poor tell us about how to fight global poverty. It helps us understand, for example, why microfinance is useful without being the miracle some hoped it would be; why the poor often end up with health care that does them more harm than good; why children of the poor can go to school year after year and not learn anything; why the poor don't want health insurance. And it reveals why so many magic bullets of yesterday have ended up as today's failed ideas. The book also tells a lot about where hope lies: why token subsidies might have more than token effects; how to better market insurance; why less may be more in education; why good jobs matter for growth. Above all, it makes clear why hope is vital and knowledge critical, why we have to keep on trying even when the challenge looks overwhelming. Success isn't always as far away as it looks.
Think Again, Again
Every year, 9 million children die before their fifth birthday.1 A woman in sub-Saharan Africa has a one-in-thirty chance of dying while giving birth—in the developed world, the chance is one in 5,600. There are at least twenty-five countries, most of them in sub-Saharan Africa, where the average person is expected to live no more than fifty-five years. In India alone, more than 50 million school-going children cannot read a very simple text.2
This is the kind of paragraph that might make you want to shut this book and, ideally, forget about this whole business of world poverty: The problem seems too big, too intractable. Our goal with this book is to persuade you not to.
A recent experiment at the University of Pennsylvania illustrates well how easily we can feel overwhelmed by the magnitude of the problem.3 Researchers gave students $5 to fill out a short survey. They then showed them a flyer and asked them to make a donation to Save the Children, one of the world's leading charities. There were two different flyers. Some (randomly selected) students were shown this:
Food shortages in Malawi are affecting more than 3 million children; In Zambia, severe rainfall deficits have resulted in a 42% drop in maize production from 2000. As a result, an estimated 3 million Zambians face hunger; Four million Angolans—one third of the population—have been forced to flee their homes; More than 11 million people in Ethiopia need immediate food assistance.
Other students were shown a flyer featuring a picture of a young girl and these words:
Rokia, a 7-year-old girl from Mali, Africa, is desperately poor and faces a threat of severe hunger or even starvation. Her life will be changed for the better as a result of your financial gift. With your support, and the support of other caring sponsors, Save the Children will work with Rokia's family and other members of the community to help feed her, provide her with education, as well as basic medical care and hygiene education.
The first flyer raised an average of $1.16 from each student. The second flyer, in which the plight of millions became the plight of one, raised $2.83. The students, it seems, were willing to take some responsibility for helping Rokia, but when faced with the scale of the global problem, they felt discouraged.
Some other students, also chosen at random, were shown the same two flyers after being told that people are more likely to donate money to an identifiable victim than when presented with general information. Those shown the first flyer, for Zambia, Angola, and Mali, gave more or less what that flyer had raised without the warning—$1.26. Those shown the second flyer, for Rokia, after this warning gave only $1.36, less than half of what their colleagues had committed without it. Encouraging students to think again prompted them to be less generous to Rokia, but not more generous to everyone else in Mali.
The students' reaction is typical of how most of us feel when we are confronted with problems like poverty. Our first instinct is to be generous, especially when facing an imperiled seven-year-old girl. But, like the Penn students, our second thought is often that there is really no point: Our contribution would be a drop in the bucket, and the bucket probably leaks. This book is an invitation to think again, again: to turn away from the feeling that the fight against poverty is too overwhelming, and to start to think of the challenge as a set of concrete problems that, once properly identified and understood, can be solved one at a time.
Unfortunately, this is not how the debates on poverty are usually framed. Instead of discussing how best to fight diarrhea or dengue, many of the most vocal experts tend to be fixated on the "big questions": What is the ultimate cause of poverty? How much faith should we place in free markets? Is democracy good for the poor? Does foreign aid have a role to play? And so on.
Jeffrey Sachs, adviser to the United Nations, director of the Earth Institute at Columbia University in New York City, and one such expert, has an answer to all these questions: Poor countries are poor because they are hot, infertile, malaria infested, often landlocked; this makes it hard for them to be productive without an initial large investment to help them deal with these endemic problems. But they cannot pay for the investments precisely because they are poor—they are in what economists call a "poverty trap." Until something is done about these problems, neither free markets nor democracy will do very much for them. This is why foreign aid is key: It can kick-start a virtuous cycle by helping poor countries invest in these critical areas and make them more productive. The resulting higher incomes will generate further investments; the beneficial spiral will continue. In his best-selling 2005 book, The End of Poverty,4 Sachs argues that if the rich world had committed $195 billion in foreign aid per year between 2005 and 2025, poverty could have been entirely eliminated by the end of this period.
But then there are others, equally vocal, who believe that all of Sachs's answers are wrong. William Easterly, who battles Sachs from New York University at the other end of Manhattan, has become one of the most influential anti-aid public figures, following the publication of two books, The Elusive Quest for Growth and The White Man's Burden.5 Dambisa Moyo, an economist who previously worked at Goldman Sachs and at the World Bank, has joined her voice to Easterly's with her recent book, Dead Aid.6 Both argue that aid does more bad than good: It prevents people from searching for their own solutions, while corrupting and undermining local institutions and creating a self-perpetuating lobby of aid agencies. The best bet for poor countries is to rely on one simple idea: When markets are free and the incentives are right, people can find ways to solve their problems. They do not need handouts, from foreigners or from their own governments. In this sense, the aid pessimists are actually quite optimistic about the way the world works. According to Easterly, there are no such things as poverty traps.
Whom should we believe? Those who tell us that aid can solve the problem? Or those who say that it makes things worse? The debate cannot be solved in the abstract: We need evidence. But unfortunately, the kind of data usually used to answer the big questions does not inspire confidence. There is never a shortage of compelling anecdotes, and it is always possible to find at least one to support any position. Rwanda, for example, received a lot of aid money in the years immediately after the genocide, and prospered. Now that the economy is thriving, President Paul Kagame has started to wean the country off aid. Should we count Rwanda as an example of the good that aid can do (as Sachs suggests), or as a poster child for self-reliance (as Moyo presents it)? Or both?
Because individual examples like Rwanda cannot be pinned down, most researchers trying to answer the big philosophical questions prefer multicountry comparisons. For example, the data on a couple of hundred countries in the world show that those that received more aid did not grow faster than the rest. This is often interpreted as evidence that aid does not work, but in fact, it could also mean the opposite. Perhaps the aid helped them avoid a major disaster, and things would have been much worse without it. We simply do not know; we are just speculating on a grand scale.
But if there is really no evidence for or against aid, what are we supposed to do—give up on the poor? Fortunately, we don't need to be quite so defeatist. There are in fact answers—indeed, this whole book is in the form of an extended answer—it is just that they are not the kind of sweeping answers that Sachs and Easterly favor. This book will not tell you whether aid is good or bad, but it will say whether particular instances of aid did some good or not. We cannot pronounce on the efficacy of democracy, but we do have something to say about whether democracy could be made more effective in rural Indonesia by changing the way it is organized on the ground and so on.
In any case, it is not clear that answering some of these big questions, like whether foreign aid works, is as important as we are sometimes led to believe. Aid looms large for those in London, Paris, or Washington, DC, who are passionate about helping the poor (and those less passionate, who resent paying for it). But in truth, aid is only a very small part of the money that is spent on the poor every year. Most programs targeted at the world's poor are funded out of their country's own resources. India, for example, receives essentially no aid. In 2004–2005, it spent half a trillion rupees ($31 billion USD PPP)7 just on primary-education programs for the poor. Even in Africa, where foreign aid has a much more important role, it represented only 5.7 percent of total government budgets in 2003 (12 percent if we exclude Nigeria and South Africa, two big countries that receive very little aid).8
More important, the endless debates about the rights and wrongs of aid often obscure what really matters: not so much where the money comes from, but where it goes. This is a matter of choosing the right kind of project to fund—should it be food for the indigent, pensions for the elderly, or clinics for the ailing?—and then figuring out how best to run it. Clinics, for example, can be run and staffed in many different ways.
No one in the aid debate really disagrees with the basic premise that we should help the poor when we can. This is no surprise. The philosopher Peter Singer has written about the moral imperative to save the lives of those we don't know. He observes that most people would willingly sacrifice a $1,000 suit to rescue a child seen drowning in a pond9 and argues that there should be no difference between that drowning child and the 9 million children who, every year, die before their fifth birthday. Many people would also agree with Amartya Sen, the economist-philosopher and Nobel Prize Laureate, that poverty leads to an intolerable waste of talent. As he puts it, poverty is not just a lack of money; it is not having the capability to realize one's full potential as a human being.10 A poor girl from Africa will probably go to school for at most a few years even if she is brilliant, and most likely won't get the nutrition to be the world-class athlete she might have been, or the funds to start a business if she has a great idea.
It is true that this wasted life probably does not directly affect people in the developed world, but it is not impossible that it might: She might end up as an HIV-positive prostitute who infects a traveling American who then brings the disease home, or she might develop a strain of antibiotic-resistant TB that will eventually find its way to Europe. Had she gone to school, she might have turned out to be the person who invented the cure for Alzheimer's. Or perhaps, like Dai Manju, a Chinese teenager who got to go to school because of a clerical error at a bank, she would end up as a business tycoon employing thousands of others (Nicholas Kristof and Sheryl WuDunn tell her story in their book Half the Sky).11 And even if she doesn't, what could justify not giving her a chance?
The main disagreement shows up when we turn to the question, "Do we know of effective ways to help the poor?" Implicit in Singer's argument for helping others is the idea that you know how to do it: The moral imperative to ruin your suit is much less compelling if you do not know how to swim. This is why, in The Life You Can Save, Singer takes the trouble to offer his readers a list of concrete examples of things that they should support, regularly updated on his Web site.12 Kristof and WuDunn do the same. The point is simple: Talking about the problems of the world without talking about some accessible solutions is the way to paralysis rather than progress.
This is why it is really helpful to think in terms of concrete problems which can have specific answers, rather than foreign assistance in general: "aid" rather than "Aid." To take an example, according to the World Health Organization (WHO), malaria caused almost 1 million deaths in 2008, mostly among African children.13 One thing we know is that sleeping under insecticide-treated bed nets can help save many of these lives. Studies have shown that in areas where malaria infection is common, sleeping under an insecticide-treated bed net reduces the incidence of malaria by half.14 What, then, is the best way to make sure that children sleep under bed nets?
For approximately $10, you can deliver an insecticide-treated net to a family and teach the household how to use it. Should the government or an NGO give parents free bed nets, or ask them to buy their own, perhaps at a subsidized price? Or should we let them buy it in the market at full price? These questions can be answered, but the answers are by no means obvious. Yet many "experts" take strong positions on them that have little to do with evidence.
Because malaria is contagious, if Mary sleeps under a bed net, John is less likely to get malaria—if at least half the population sleeps under a net, then even those who do not have much less risk of getting infected. 15 The problem is that fewer than one-fourth of kids at risk sleep under a net:16 It looks like the $10 cost is too much for many families in Mali or Kenya. Given the benefits both to the user and others in the neighborhood, selling the nets at a discount or even giving them away would seem to be a good idea. Indeed, free bed-net distribution is one thing that Jeffrey Sachs advocates. Easterly and Moyo object, arguing that people will not value (and hence will not use) the nets if they get them for free. And even if they do, they may become used to handouts and refuse to buy more nets in the future, when they are not free, or refuse to buy other things that they need unless these are also subsidized. This could wreck well-functioning markets. Moyo tells the story of how a bed-net supplier was ruined by a free bed-net distribution program. When free distribution stopped, there was no one to supply bed nets at any price.
To shed light on this debate, we need to answer three questions. First, if people must pay full price (or at least a significant fraction of the price) for a bed net, will they prefer to go without? Second, if bed nets are given to them free or at some subsidized price, will people use them, or will they be wasted? Third, after getting the net at subsidized price once, will they become more or less willing to pay for the next one if the subsidies are reduced in the future?
To answer these questions, we would need to observe the behavior of comparable groups of people facing different levels of subsidy. The key word here is "comparable." People who pay for bed nets and people who get them for free are usually not going to be alike: It is possible that those who paid for their nets will be richer and better educated, and have a better understanding of why they need a bed net; those who got them for free might have been chosen by an NGO precisely because they were poor. But there could also be the opposite pattern: Those who got them for free are the well connected, whereas the poor and isolated had to pay full price. Either way, we cannot draw any conclusion from the way they used their net.
For this reason, the cleanest way to answer such questions is to mimic the randomized trials that are used in medicine to evaluate the effectiveness of new drugs. Pascaline Dupas, of the University of California at Los Angeles, carried out such an experiment in Kenya, and others followed suit with similar experiments in Uganda and Madagascar. 17 In Dupas's experiment, individuals were randomly selected to receive different levels of subsidy to purchase bed nets. By comparing the behavior of randomly selected equivalent groups that were offered a net at different prices, she was able to answer all three of our questions, at least in the context in which the experiment was carried out.
In Chapter 3 of this book, we will have a lot to say about what she found. Although open questions remain (the experiments do not yet tell us about whether the distribution of subsidized imported bed nets hurt local producers, for example), these findings did a lot to move this debate and influenced both the discourse and the direction of policy.
The shift from broad general questions to much narrower ones has another advantage. When we learn about whether poor people are willing to pay money for bed nets, and whether they use them if they get them for free, we learn about much more than the best way to distribute bed nets: We start to understand how poor people make decisions. For example, what stands in the way of more widespread bed net adoption? It could be a lack of information about their benefits, or the fact that poor people cannot afford them. It could also be that the poor are so absorbed by the problems of the present that they don't have the mental space to worry about the future, or there could be something entirely different going on. Answering these questions, we get to understand what, if anything, is special about the poor: Do they just live like everyone else, except with less money, or is there something fundamentally different about life under extreme poverty? And if it is something special, is it something that could keep the poor trapped in poverty?
TRAPPED IN POVERTY?
- By the winners of the 2019 Nobel Prize in Economics
Winner of the Financial Times/ Goldman Sachs Best Business Book of the Year
- "Marvelous, rewarding... the sheer detail and warm sympathy on display reflects a true appreciation of the challenges their subjects face. They have fought to establish a beachhead of honesty and rigor about evidence, evaluation and complexity in an aid world that would prefer to stick to glossy brochures and celebrity photo-ops. For this they deserve to be congratulated--and to be read."—The Wall Street Journal
- "Fascinating and captivating. Their work reads like a version of Freakonomics for the poor. There are insights into fighting global poverty from the remarkable and vital perspective of those whom we profess to serve. They remind us, I think, of our shared humanity and how at some fundamental levels we really do think alike."—Fast Company
- "To cut to the chase: this is the best book about the lives of the poor that I have read for a very, very long time. The research is wide-ranging. Much of it is new. Above all, Banerjee and Duflo take the poorest billion people as they find them. There is no wishful thinking. The attitude is straightforward and honest, occasionally painfully so. And some of the conclusions are surprising, even disconcerting."—The Economist
- "A compelling and important read... An honest and readable account about the poor that stands a chance of actually yielding results."—Forbes.com
- "Duflo and Banerjee tell these stories (of their randomised control trials) in a lovely new book called Poor Economics. As they admit, randomistas cannot answer some big questions--how to tackle food prices, for instance. But through lots of microstudies, they make a subtle case for one big argument: aid really can help poor people, provided the money follows the evidence."—The Guardian
- "The ingenuity of these experiments aside, it is the rich and humane portrayal of the lives of the very poor that most impresses. Both books show how those in poverty make sophisticated calculations in the grimmest of circumstances. Books such as these offer a better path forward. They are surely an experiment worth pursuing."—Financial Times
- "Randomized trials are the hottest thing in the fight against poverty, and two excellent new books have just come out by leaders in the field. One is Poor Economics by Abhijit Banerjee and Esther Duflo. These terrific books move the debate to the crucial question: What kind of aid works best?"—The New York Times
- "Their empirical approach differs from policy discussions that base support or criticism of aid programs on a broad overview; instead they illuminate many practicable and cost-effective ways to keep children and parents living healthier and more productive lives. An important perspective on fighting poverty."—Publishers Weekly
- "Here's something Jesus might recommend: Reading the clear, calm and revelatory book Poor Economics from Abhijit Banerjee and Esther Duflo. It is gloriously instructive, and bracing testimony in itself to the gold standard of the Enlightenment: the scientific method. The authors, both economists at MIT, spent 15 years in the field, running randomized controlled trials to test various approaches to combating poverty. They bring both rigor and humility to a predicament typically riven by ideology and blowhards."—Cleveland Plain Dealer
- "This new book by Abhijit Banerjee and Esther Duflo eschews the ideology of both the right and the left, and focuses on what measurable evidence has to say about the often-conflicting myths that dominate discussion of international development. The book is unusual, perhaps unique, in that the authors took a lot of time to talk to poor people about what they think and what they want."—Vancouver Sun
- "Fact-based, actionable and totally unforgettable insights on the fight to help the poor help themselves"—Seth Godin (blog)
- "Banerjee and Duflo assemble a fascinating assortment of interventions from across the globe in their book...It is engaging and informative which is more than can be said for many books of this genre."—Business World (India)
- "This is a welcome shift in methodology as it implicitly concedes the need to combine social science with hard economics."—IndianExpress.com
- "It vividly, sensitively and rigorously brings alive the dilemmas of the poor as economic agents in a variety of contexts, whether as consumers or risk-takers. There are splendid chapters on a variety of topics that affect the poor: food, health, education, savings, micro-credit, insurance, risk and even some cursory observations on political behaviour."—Outlook India
- "A remarkable work: incisive, scientific, compelling and very accessible, a must-read for advocates and opponents of international aid alike, for interested laymen and dedicated academics. Amartya Sen, fellow Nobel Prize winner Robert Solow and superstar economics author Steven Levitt wholeheartedly endorse this book. I urge you to read it. It will help shape the debate in development economics."—Financial World (UK)
- "A marvellously insightful book by two outstanding researchers on the real nature of poverty."—Amartya Sen
- "This book is a must-read for anyone who cares about world poverty. It has been years since I read a book that taught me so much. Poor Economics represents the best that economics has to offer."—Steven D. Levitt
- "Abhijit Banerjee and Esther Duflo are allergic to grand generalizations about the secret of economic development. Instead they appeal to many local observations and experiments to explore how poor people in poor countries actually cope with their poverty: what they know, what they seem (or don't seem) to want, what they expect of themselves and others, and how they make the choices that they can make. Apparently there are plenty of small but meaningful victories to be won, some through private and some through public action, that together could add up to a large gains for the world's poor, and might even start a ball rolling. I was fascinated and convinced."—Robert Solow
- On Sale
- Mar 27, 2012
- Page Count
- 320 pages