Early retirement may accelerate cognitive decline among the elderly, according to research conducted by faculty at Binghamton University, State University of New York.
Plamen Nikolov, assistant professor of economics, and Shahadath Hossain, PhD student in economics, both at Binghamton University, examined China’s New Rural Pension Scheme (NRPS) and the Longitudinal Survey of Retirement and Health of China (CHARLS) to determine how retirement plans affect cognition. performance among plan participants. CHARLS, a nationally representative survey of people aged 45 years and older within the Chinese population, directly tests cognition by focusing on episodic memory and intact mental state components.
With longer life expectancy and declining fertility in developing countries, the elderly population has become the most important demographic source in Asia and Latin America, creating an urgent need for new sustainable pension systems . However, Nikolov’s research suggests that such retirement plans can have unintended downstream consequences. In a new study, Nikolov’s team shows that access to retirement plans may play an important role in explaining cognitive decline at older ages.
Because of this huge population boom, China introduced a formal pension program (called NRPS) in rural areas of the country. The program was introduced due to China’s rapidly aging population and in an effort to alleviate poverty in old age. In rural areas of the country, traditional family care for the elderly had largely broken down, with no adequate formal mechanisms to replace it. For older people, inadequate transfers from informal families and community transfers could severely reduce their ability to cope with illness or malnutrition.”
Plamen Nikolov, Assistant Professor of Economics, Binghamton University
The researchers obtained administrative data from the Chinese government on the implementation of the pension program. They gained access to an additional data source from the survey, which detailed the behavior and socioeconomic characteristics of participants in the new retirement program. Nikolov and his research team found that the new program caused significant adverse effects on the cognitive functioning of the elderly. The most significant indicator of cognitive decline was memory lag, a measure widely implicated in neurobiological research as an important predictor of dementia. The pension program had more negative effects among women, and Nikolov said the results support the mental retirement hypothesis that decreased mental activity leads to worsening cognitive skills.
While Nikolov and his co-authors found that pension benefits and retirement lead to improved health, the program also induced a strong and much more negative influence on other dimensions: social activities, fitness-related activities mental and social commitment.
“Program participants report substantially lower levels of social engagement, with significantly lower rates of volunteering and social interaction than non-recipients. We find that increased social isolation is strongly related to faster cognitive decline among the elderly. Interestingly, we found that the program improved some health behaviors. Program participants reported a reduced incidence of regular alcohol consumption compared to the previous year. In general, adverse effects of early retirement on mental and social engagement significantly outweigh the program’s protective effect on various health behaviors,” said Nikolov. “Or alternatively, the kinds of things that matter and determine better health may simply be very different from the kinds of things that matter for better cognition among older adults. Social engagement and connectedness may simply be the most powerful factors for to cognitive performance in the elderly. age”.
Many policy decisions involve careful consideration of causes and effects. But understanding cause and effect in the context of economic or political issues is often hampered by controlled experiments -; such as randomized controlled trials (RCTs) -; may not always be practically or ethically possible. In such cases, “economists often resort to a method called natural experiments,” Nikolov explained. Natural experiments involve the use of random events or situations in which real life mimics controlled experiments. Based on this method, Nikolov and his team studied how the decision to retire affected cognition because the research team was able to compare how people of similar ages and socioeconomic characteristics performed compared to similar people, but in areas where the pension program did not exist.
“People in areas that implement the NRPS score considerably lower than people living in areas that do not offer the NRPS program,” Nikolov said. “Over the nearly 10 years since its implementation, the program led to declines in cognitive performance of nearly one-fifth of a standard deviation on the memory measures we examined.”
Surprisingly, the estimated impacts of the program were similar to the negative results on the same phenomenon, but in higher-income countries such as the United States, England and the European Union, which Nikolov said shows that retirement affects people from different areas with more similar patterns than previously understood. .
“We were surprised to find that pension benefits and retirement actually resulted in reduced cognitive performance. In a separate study, we found a very strong finding that the introduction of pension benefits and retirement led to positive benefits for health through improvements in sleep and reductions in alcohol and smoking,” he said. “The fact that retirement was associated with reduced cognitive performance is itself a stark finding on an unsuspected and puzzling problem, but a finding with extremely important well-being implications for one’s quality of life in old age.”
Nikolov said he hopes this research will help create new policies to improve the cognitive functioning of older generations during retirement.
“We hope that our findings will influence how retirees view their retirement activities from a more holistic perspective and pay special attention to their social engagement, active volunteering, and participation in activities that foster their mental acuity,” Nikolov said. . “But we also hope to influence policymakers. We show strong evidence that retirement has important benefits. But it also has considerable costs. Cognitive impairments among older people, even if not severely debilitating, result in a loss of quality of life and can have negative effects. well-being consequences. Policymakers can introduce policies aimed at cushioning the reduction in social engagement and mental activities. In this sense, retirement programs can generate positive spillovers for the health status of retirees without the associated negative effect on their cognition.”
Nikolov plans to continue research on this topic and examine how the introduction of pension benefits led to labor force participation responses among the elderly in rural China.
Source:
Journal reference:
Nikolov, P. and Shahadath Hossain, M., (2022) Do pension benefits accelerate cognitive decline in late adulthood? Evidence from rural China. Journal of Economic Behavior and Organization. doi.org/10.1016/j.jebo.2022.11.025.