Global Health
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Speaker Bio

14120 Michael Callen
Michael Callen

Assistant Professor, Public Policy

Harvard Kennedy School

 

 

Michael Callen is assistant professor of public policy at the Harvard Kennedy School of Government. His recent work uses experiments to identify ways to address accountability and service delivery failures in the public sector. He has published in the American Economic Review, the Journal of Conflict Resolution, and the British Journal of Political Science. He is an Affiliate of Evidence for Policy Design (EPoD), the Bureau for Research and Economic Analysis of Development (BREAD), the Jameel-Poverty Action Lab (J-PAL), the Center for Effective Global Action (CEGA), the Center for Economic Research Pakistan (CERP), Empirical Studies of Conflict (ESOC), and a Principal Investigator on the Building Capacity for the Use of Research Evidence (BCURE): Data and evidence for smart policy design project. His primary interests are political economy, development economics, and experimental economics.

This event is part of the Liberation Technology Seminar Series

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School of Education

Room 128

Michael Callen Assistant Professor, Public Policy, Harvard Kennedy School
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Abstract:  Foreign aid for health in low- and middle-income countries has increased five-fold over the past 25 years.  Between 2005 and 2010, health aid made up more than 30% of all health spending in low-income countries.  Global health is also an increasingly important component of U.S. foreign aid, rising steadily from under 4% of all U.S. non-military aid in 1990 to 22.7% in 2011.  There is growing evidence for the role of health aid in improving health among recipient countries, but is that it?  In this talk I will address the arguments for and against health as a focus of aid efforts and present initial evidence on the role of health aid on human capital and economic development.

Encina Commons, Room 102,
615 Crothers Way,
Stanford, CA 94305-6019

(650) 723-0984 (650) 723-1919
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Professor, Medicine
Professor, Health Policy
Senior Fellow, by courtesy, Freeman Spogli Institute for International Studies
Senior Fellow, Woods Institute for the Environment
eran_bendavid MD, MS

My academic focus is on global health, health policy, infectious diseases, environmental changes, and population health. Our research primarily addresses how health policies and environmental changes affect health outcomes worldwide, with a special emphasis on population living in impoverished conditions.

Our recent publications in journals like Nature, Lancet, and JAMA Pediatrics include studies on the impact of tropical cyclones on population health and the dynamics of SARS-CoV-2 infectivity in children. These works are part of my broader effort to understand the health consequences of environmental and policy changes.

Collaborating with trainees and leading academics in global health, our group's research interests also involve analyzing the relationship between health aid policies and their effects on child health and family planning in sub-Saharan Africa. My research typically aims to inform policy decisions and deepen the understanding of complex health dynamics.

Current projects focus on the health and social effects of pollution and natural hazards, as well as the extended implications of war on health, particularly among children and women.

Specific projects we have ongoing include:

  • What do global warming and demographic shifts imply for the population exposure to extreme heat and extreme cold events?

  • What are the implications of tropical cyclones (hurricanes) on delivery of basic health services such as vaccinations in low-income contexts?

  • What effect do malaria control programs have on child mortality?

  • What is the evidence that foreign aid for health is good diplomacy?

  • How can we compare health inequalities across countries? Is health in the U.S. uniquely unequal? 

     

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Eran Bendavid
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China’s State Council has put forth draft legislation that would ban smoking in public spaces, part of the government’s larger advocacy efforts to help curb tobacco use nationwide. Matthew Kohrman, a professor of anthropology at Stanford University, said it’s a step forward but the ban’s long-term success would depend on local enforcement.

Despite popular belief, global cigarette production has tripled worldwide since the 1960s. Leading the surge has been China.

“China has become the world’s cigarette superpower,” said Kohrman, in an interview on National Public Radio’s program, Marketplace.

Moreover, local governments in China have become dependent on tax revenues generated from tobacco sales, thus reinforcing the cigarette’s ubiquity and ease of access.

China has implemented smoking bans in the past, but with varied success. Now rising healthcare costs caused by tobacco-related diseases are creating urgency for new regulations.

“Whether or not these new regulations will be enforced will, in the end, come down to local politics,” he said.

Matthew Kohrman is part of the Asia Health Policy Program at the Shorenstein Asia-Pacific Research Center, and leads the project, Cigarette Citadels, a peer-sourced mapping project that compiles more than 480 cigarette factories globally.

The full audioclip is available on the Marketplace website.

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A cigarette stand in Shantou, China.
Flickr/Merton Wilton
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The study provides evidence that a country’s ability to reduce the gap in child-mortality rates is related to good governance.

The child-mortality gap has narrowed between the poorest and wealthiest households in a majority of more than 50 developing countries, a new study from the Stanford University School of Medicine has found.

This convergence was mostly driven by the fact that child-mortality rates declined the fastest among the poorest families. In the countries where the gap increased, the study identified a common thread: poor governance.

The findings provide important information for making decisions about prioritizing global health investments to effectively promote equity, said Eran Bendavid, MD, assistant professor of medicine, core faculty member at CHP/PCOR, and the study’s author.

The study, published online Nov. 10 in Pediatrics, analyzed data from nearly 1 million families living in 54 low- and middle-income countries to determine the relationship between mortality in children under the age of 5 and wealth inequality.

“In many countries, national wealth has increased hand-in-hand with increasing health inequality. That’s been a signature of our time,” Bendavid said. “It’s a pressing concern for many societies, especially in wealthy countries, but it’s also been an issue in low- and middle-income countries.”

Assessing child mortality within developing countries

Many studies have assessed the national child mortality trends in developing countries, but they say little about the mortality gap between the poorest and wealthiest within those countries. National trends could be associated with either narrowing or widening gaps between the poorest and wealthiest populations, Bendavid noted. For example, if child mortality decreases faster among the wealthy compared with the poor, the overall child-mortality rate in that country could decrease even as the mortality gap widens. Alternatively, if child mortality decreases faster among the poor, the health gap could narrow.

To fill this gap in knowledge, the study sought to understand whether developing countries are experiencing a widening or narrowing mortality-rate gap among children under 5 of the poorest and wealthiest families.

To compare wealth status and under-5 child mortality within a country, Bendavid used data from the demographic and health surveys for 1.2 million women living in 929,224 households in 54 developing countries. The women provided information about their children’s survival status. 

 “The people who conduct these surveys, they’re intrepid surveyors,” said Bendavid, who is also a core faculty member of Stanford Health Policy, which is part of the Freeman Spogli Institute for International Studies. “They reach remote villages up the Congo basin and in the Sahel in Niger, and track the heads of households and women for these in-depth interviews.”

The surveys include information about each woman’s birth histories, including detailed birth registries documenting millions of children. With this information, Bendavid could estimate the probability of a child dying before reaching age 5 per 1,000 live births.

Tallying household possessions

Determining each household’s wealth status was not as straightforward as reviewing annual income and tax returns, which don’t exist in the countries involved in the study. “These surveys tally the possessions in the household. What is the floor made of? What is the roof made of?” Bendavid said. “You can get a wide distribution of household possessions that reflects to a large degree the household wealth.”

Next, Bendavid developed a three-tier wealth index using the household assets. The three wealth categories were relative — poorest, middle and wealthiest.

To analyze trends in wealth status and under-5 mortality, Bendavid looked at all developing countries that had completed the surveys in two specific time frames: 2002-07 and 2008-12. The study found that the under-5 mortality rates among the poorest groups had decreased the most rapidly. The average decline was 4.36 deaths each year per 1,000 live births among the poorest, 3.36 among the middle and 2.06 among the wealthiest. Because the poorest group’s mortality rate is decreasing more quickly that the other groups, the gap in child-mortality rates is closing.

This is good news, Bendavid said. However, not all countries followed this same trend. In a quarter of the surveys examined by the study, inequality in under-5 mortality increased over time.

Bendavid found that four factors were present in countries with a narrowing child-mortality gap: government effectiveness, rule of law, control of corruption and regulatory quality. He found that the difference in mortality rates was significantly associated with the governance score: Better governance scores were related to greater convergence in mortality rates among the three wealth groups.

Benefits from controlling communicable diseases

Bendavid said the evidence in this study is consistent with gains in controlling communicable diseases, such as malaria, measles, diarrhea and respiratory illnesses, that preferentially affect the poorest. Over the past decade, international health aid organizations have financed interventions for these diseases at a high rate.

It makes a persuasive case that these improvements have often begun to benefit the poor even more than the better-off.

“Dr. Bendavid’s study is an important contribution to knowledge about child health improvements in the developing world,” said Davidson Gwatkin, a senior fellow at the Results for Development Institute and a senior associate at Johns Hopkins Bloomberg School of Public Health. “It makes a persuasive case that these improvements have often begun to benefit the poor even more than the better-off.” Gwatkin was not involved in the study.

The study also raises questions about the role of foreign aid institutions in low- and middle-income countries. While the aid efforts are making a difference in child-mortality rates in countries with effective governments, the study seems to show that this is not the case in nations with poor governance, Bendavid said.

“We have the technologies, we have the means, we have the know-how to reduce child mortality dramatically,” said Bendavid. “Even for such low-hanging fruit, however, implementation is not always easy. You have to have government that enables basic safety, and the ability to reach poor and rural communities that benefit from these kinds of programs.”

This work was supported by the National Institute of Allergy and Infectious Diseases (grant KOIAI084582), the Doris Duke Charitable Foundation and the Dr. George Rosenkranz Prize for Health Care Research in Developing Countries.

 Information about Stanford’s Department of Medicine, which also supported this research, is available at http://medicine.stanford.edu.

 

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A middle class is emerging in China, and simultaneously, its population is rapidly aging. These two phenomena are impacting the country’s traditional consumer habits, including spending on healthcare. Experts say private-sector services are one important part of the future of China’s healthcare system, and perhaps also a sign of what’s to come for other countries in the region. Entrepreneurs can provide innovative services that cater widely to consumers and support a shift toward integrated care for health promotion and long-term management of chronic disease, also supplementing resources available in traditional public facilities.

Three experts visited the Walter H. Shorenstein Asia-Pacific Research Center and shared perspectives on those trends at the panel discussion, “Healthcare Entrepreneurs in East Asia: Innovations in Primary Care and Beyond,” hosted by the Asia Health Policy Program.

Historically, healthcare services in China have been almost entirely government-run. A patient would go to a public clinic, stand in a queue, and receive treatment within a few hours – being referred elsewhere if additional treatment was required.

Now, the private sector is growing, based on the promise of improved care and an enhanced experience, both removing the waiting line and ushering in new technologies. The government has also issued several policies encouraging “social capital” investment in health and fitness services.

The private sector for preventative care services now holds around fifteen percent of the entire marketplace in China, and “is expected to get much bigger over the next five years,” said Lee Ligang Zhang, the founding chairman and chief executive officer of iKang, a healthcare group based in Beijing.

Zhang oversees the company’s operation of 50 self-owned healthcare centers and an extended network of 300 affiliates. iKang is one of many groups catering to a growing consumer base of corporate workers and senior managers seeking care outside of the public system.

Comparative view

Increased development of premium healthcare facilities is not only emerging in China, but also in neighboring Taiwan. Since 1995, Taiwan implemented a national health insurance system, and has been lauded for its success in service provision.

Taiwan transitioned its healthcare market to universal coverage. Under this system, a patient can essentially “shop around” and select where to go for services, most of which are covered under the country’s insurance collective system at public or private providers.

“On average, every Taiwanese goes to see a doctor 14 times a year, compared to five times a year in the United States, and two times [a year] in China,” said Dr. Fred Hun-Jean Yang, a physician and chairman of MissionCare, Inc.

Such numbers reflect the higher availability of services compared to China, he said. Even as a small island, Taiwan has over 15,000 clinics and the price for services is generally affordable for the average citizen. Despite this availability of public and private services, Taiwan’s newer healthcare entrepreneurs seek to fill a market demand shaped by similar factors as in China. Yang says technology and the efficiency of the private sector healthcare system is attracting new consumers.

Missioncare is headquartered in northern Taiwan’s Taoyuan City and consists of four community hospitals with a larger network of clinics across the country as well as coordinated long-term care services for the elderly and those with chronic disease. The group has already expanded into China, and plans to integrate healthcare innovations, such as wearable monitoring and mobile payment.

Patient-centric service

Chinese citizens, particularly those with greater expendable income, are more willing to pay out-of-pocket for an improved patient experience, the panelists said.

“The consumer psyche is important,” said Dr. Wei Siang Yu, the founder of the Borderless Healthcare Group (BHG), a group of companies based in Singapore that focuses largely on health telecommunications.

One perspective is that consumers desire a “high-end” environment made possible by tailored design aesthetics and effective branding. Guided by this trend, Yu, a business executive and physician by training, started the “smart cities, smart homes” initiative at BHG.

BHG is now launching an incubator model in Shanghai, which combines intelligent design aesthetics with patient care, and is planning to localize such centers across China. The model is referred to as an “experience center,” rather than a hospital or clinic, and healthcare services – examinations, operations and value-added activities like wellness and education activities – are all centralized in one location.

Looking ahead, Yu said healthcare is likely to move even further away from the traditional hospital setting, and more toward experiential and home-based care models.

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(L to R): Wei Siang Yu, founder of Borderless Healthcare Group; Lee Ligang Zhang, chairman and CEO of iKang Healthcare Group; and Fred Hung-Jen Yang, chairman of Missioncare, Inc. discuss healthcare innovation at the Walter H. Shorenstein Asia-Pacific Center.
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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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Stanford’s Program on Human Rights in the Center on Democracy, Development and the Rule of Law is collaborating with U.S. Fund for UNICEF and the Stanford Center for Innovation in Global Health to present the Children’s Human Rights Seminar Series for 2014-2015.

This monthly series will bring together UNICEF representatives, academic experts, and global civil society leaders to discuss some of the most pressing issues facing children today. Each event will highlight one of UNICEF's main programmatic areas, in the following order: emergency response, HIV/AIDS, disabilities, child protection, nutrition, water and sanitation, health and immunizations, and education.

CISAC Central, 2nd Floor, Encina Hall

Erica Kochi UNICEF Innovation
Eric Talbert Director Emergency USA
Brad Adams Director Human Rights Watch Asia
Eric Weiss Emergency Medicine Moderator Stanford Medical Center
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About the topic: PSI is a global social marketing NGO that approaches clients as consumers in 60 developing countries.  What do the private sector and marketing have to teach us about saving and improving the lives of the most vulnerable?  A lot, it turns out.  

 

About the speaker: Karl Hofmann is the President and CEO of PSI (Population Services International), a non-profit global health organization based in Washington, D.C. PSI operates in 60 countries worldwide, with programs in family planning and reproductive health, malaria, child survival, HIV, maternal and child health, and non-communicable diseases.  Prior to joining PSI, Mr. Hofmann was a career American diplomat.  He served as U.S. Ambassador to the Republic of Togo, and Executive Secretary of the Department of State.

 

Cosponsors: Stanford School of Medicine, Stanford Center for Innovation in Global Health, Stanford Center for International Development

Karl Hofmann President and CEO PSI
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Traditional drug repurposing, although successful in treating some diseases, still requires considerable time to identify candidate compounds and even more time to test them in clinical trials. Ebola requires and deserves a much more aggressive approach, while still balancing safety and efficacy concerns.

One way to considerably speed up the drug development process is to use high-end, bioinformatics-oriented computing approaches. When applied to drug repurposing, this approach can allow for a much faster identification of candidate compounds. When applied to clinical trials, this approach may quickly provide valuable animal and human information without the need for actual subjects.

With bioinformatics, drug repurposing can be used quickly without resorting to desperate measures that compromise safety. These bioinformatics approaches are already under development for diseases that are prevalent in wealthy countries, like cancer; Ebola provides an opportunity for this potentially game-changing approach to be applied to a disease primarily affecting those in resource-limited countries.

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