Aging

Affective experience, as defined by independent dimensions of valence and arousal, can change rapidly.  Yet empirical measures rarely capture the dynamics of subjective experience on a second-to-second timescale.  Investigators examined whether “affect dynamics” could be reliably probed in real time during a task in which participants anticipated and received monetary incentives.  The results implied that older adults do not show neural or affective reactions during anticipation of monetary losses.  Findings from this basic research program may have implications for judg

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China has a large and growing elderly population, but to be old in China-particularly in the countryside-is to be vulnerable. In the country's rural areas there are few clinics and hospitals, and health insurance is virtually nonexistent. Compared with elderly Chinese living in urban areas, those in rural areas have a shorter life expectancy and a poorer quality of life.

Further, little academic research has focused on the health needs and health status of China's elderly. It is with the goal of addressing this deficit that Pengqian Fang, a trainee with CHP/PCOR's China-U.S. Health and Aging Research Fellowship, recently returned to China from Stanford. Fang is seeking to document the health disparities between China's rural and urban elderly population, and to use his findings to propose healthcare assistance programs for the elderly in rural areas of China.

Fang spent a year at Stanford studying health-services research concepts and methods and developing his research project.

In the project, which Fang refined with guidance from CHP/PCOR faculty, Fang will conduct a detailed survey of the health status, health needs, and healthcare utilization of elderly people in rural and urban areas of China, through in-home interviews in three Chinese provinces with different geographic and socioeconomic characteristics: Guizhou (in southwest China), Hubei (in central China), and Guangdong (in the southeast).

He will conduct the project in collaboration with the health departments of the

three provinces, and with support from Tongji Medical College in Wuhan, where he

is director and associate professor of healthcare management.

Fang's study will be among the first of its kind in China. Such research is needed, Fang explained, because China's elderly population (of whom 70 percent reside in rural areas) is growing steadily, and in the coming years its members will require medical services at increasing rates. According to the country's 2000 census, China has 132 million people over age 65, making up more than 10 percent of the population; the over-80 population, which numbers 10 million people, is increasing by 5.4 percent a year; and about 20 percent of all elderly people in the world live in China.

The elderly in China's rural areas face particular challenges in getting high-quality, affordable healthcare services, Fang explained. There are few clinics and hospitals in rural areas, and there is no government-sponsored health coverage for the elderly (like the United States' Medicare program) anywhere in China. All of these factors put China's rural elderly in a vulnerable position, especially those with disabilities or serious illnesses.

"This research will show the disparities that exist, and it will encourage a dialogue about policies to help rural elderly people in China," Fang said.

Fang plans to conduct his survey in the first half of 2005, analyze the data in the summer and fall, and return to Stanford in November 2005 to present the results. In each of the three provinces studied, the research team will recruit 500 households and will conduct interviews with all individuals age 65 and over who reside there, for an estimated final sample of 2,500 people.

The respondents will be asked for a variety of information, including their income and education, insurance status, health status, daily activities, social activity, mental health, utilization of healthcare services, and accessibility and affordability of medical care. The researchers will also interview community healthcare workers-including physicians, nurses, and administrative staff-to seek information on the health needs of the elderly and the barriers they and their healthcare providers face.

The China-U.S. Health and Aging Research Fellowship, administered jointly by

CHP/PCOR and the China Health Economics Institute (Beijing), aims to improve

healthcare quality and efficiency in China through an exchange program in which

selected Chinese health services researchers come to Stanford to study for six months to a year, and then return to China to conduct an original research project. The fellowship is funded by the National Institutes of Health's Fogarty International Center.

"I have learned very much from Stanford and this program," Fang said. "The classes I attended have given me very useful ideas." He noted that since health services research is still a young field in China-about ten years old-"we learn a lot from the United States, like how to ask the research question, how to get a grant, how to design a study."

One aspect of Stanford that particularly impressed Fang was its emphasis on interdisciplinary collaboration.

"This is a very good feature-the close relationship between different fields," he said. "In my country we are more focused on one narrow field."

Fang said he is interested in establishing research collaborations between Stanford and Tongji Medical College-an idea that he and CHP/PCOR's leadership will be exploring in the coming months.

There is much to admire about the U.S. healthcare system's emphasis on innovation and technology, Fang said. Still, he said, "I don't hope for China to follow the U.S. health system," with its heavy reliance on free-market principles. For one thing, "medicine here is very costly." He cited a personal example of how he fractured his arm in a minor bicycle accident, and how his emergency room visit for the injury, along with a follow-up physician appointment, cost more than $1,000. "I was surprised it cost so much," he said.

A review of the fellowship program conducted by officials at the China Health Economics Institute last fall concluded that it has been successful and valuable. Leaders at the institute said the trainees' Stanford experience has enhanced their intellectual abilities, their knowledge of research methodology, their leadership capacity, and their ability to collaborate internationally.

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The Walter H. Shorenstein Asia-Pacific Research Center (Shorenstein APARC) at the Freeman Spogli Institute for International Studies at Stanford University invites applications to receive funding grants for activities or programs focusing on health care policy in Asia. Shorenstein APARC welcomes research proposals on a wide range of topics from diverse disciplines, but has particular interest in international studies of demography; the effects of an aging population on social, economic, and political systems; and the causes and prevention of epidemics such as AIDS and Avian Influenza in Asian countries.

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Given that many decisions (such as choosing a stock in which to invest) involve high level cognitive processing, performance deficits in older adults may result from cognitive decline, but affective influences might also play a role. A study of performance on a dynamic investment game in younger and older adults reveals that older adults are not impaired on single trial choices, but are less able to explicitly identify optimal assets at the end of a block. However, neither younger nor older adults show a significant tendency toward a higher ratio of risk-seeking or risk-aversion mistakes.

Older adults tend to focus more on positive than on negative experiences and events. Given this tendency, it is important to elucidate the mechanisms underlying the basic processes of selective attention to, and selective avoidance of, emotionally-relevant information while making health-related decisions. This study examined the behavioral and neural responses of older adults during decision-making, and during the resolution of affective and cognitive conflicts.

The Conference on the Health, Demographics and Economic Development will take place on May 20-21, 2005 at the Center on Development, Democracy and the Rule of Law, Stanford Institute for International Studies. This conference is organized by Peter Lorentzen and Romain Wacziarg.

The conference is organized around three themes:

1. The Demographic Transition and the Industrial Revolution

2. Health, Fertility, and Human Capital

3. The Effects of Health on Income and Growth: Micro and Macro Evidence.

Participants include: Manuel Amador (Stanford University), Javier Birchenall (UC Santa Barbara), Hoyt Bleakley (UC San Diego), David Bloom (Harvard University), Michele Boldrin (University of Minnesota), David Canning (Harvard University), Shankha Chakraborty (University of Oregon), Matthias Doepke (UCLA), Miriam Golden (UCLA), Larry Jones (University of Minnesota), Sebnem Kalemli-Ozcan (University of Houston), Pete Klenow (Stanford University), Peter Lorentzen (Stanford University), Aprajit Mahajan (Stanford University), John McMillan (Stanford University), Rodrigo Soares (University of Maryland), Uwe Sunde (IZA Bonn), Michele Tertilt (Stanford University), Romain Wacziarg (Stanford University), and David Weil (Brown University).

TBA

UCLA Anderson School of Management
110 Westwood Plaza
Los Angeles CA 90095-1481

(310) 825-4507
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Associate Professor of Economics, UCLA Anderson School of Management
wacziarg.jpg MA, PhD

Romain Wacziarg is an associate professor of economics at UCLA's Anderson School of Management. Previously, he was associate professor of economics at Stanford University's Graduate School of Business. An expert on international political economy, he has focused mainly on international trade and its relationship with economic development. Most recently, he has published research on the relationship between openness to trade and economic growth, as well as on the effect of an open world-trade regime on incentives for geographic regions to secede. His other areas of recent focus include a study linking ethnic, religious and linguistic diversity with economic variables; a study evaluating the economic costs and benefits of political borders; and two studies evaluating the relationship between international trade and the rise and fall of industries.

Wacziarg is a faculty research fellow at the National Bureau of Economic Research, a faculty fellow at the Stanford Center for International Development, and he was a national fellow at the Hoover Institution in 2002-2003. He grew up in India and France and has worked as a consultant to the World Bank. He received his undergraduate degree from the Institut d'Etudes Politiques de Paris, an MA from the University of Paris-Dauphine and a PhD in Economics from Harvard University.

Europe Center Research Affiliate
Romain Wacziarg Speaker
Peter Lorentzen Speaker
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