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2.2 diversification of investment styleImprove market efficiency: the transparency and low rate of index funds help to improve market efficiency, reduce transaction costs and increase investor participation.2.3 Market stability improvement

Underdevelopment of the third pillar: Compared with developed countries, the scale of the second and third pillar pensions in China is relatively low, which needs to be promoted through policy guidance.Diversification of investment styles: The diversified investment styles of index funds, such as broad-based index and dividend strategy index, provide investors with more asset allocation options and help to diversify investment risks.Underdevelopment of the third pillar: Compared with developed countries, the scale of the second and third pillar pensions in China is relatively low, which needs to be promoted through policy guidance.

By investing in index funds, personal pension is expected to share the dividend of national economic development and realize the preservation and appreciation of personal pension reserves. According to the principle of economics, long-term capital entering the market will help promote economic growth. At the same time, the appreciation of pension assets is also expected to enhance the wealth effect of residents and further promote the steady improvement and long-term improvement of the economy. This effect plays an important role in coping with the aging population and promoting social harmony.1.3 data supportThe aging of the population is increasing: the proportion of people over 60 years old in China continues to increase, and it is expected to reach 29.9% by 2040, which poses great pressure on the existing old-age security system.