科研之友
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摘要
Prior research shows mixed results on the relationship between well-being and economic growth, and the relationship between well-being and population size, yet consistent associations between well-being and green space. This paper aims to analyse the relationship between city residents' well-being and three established indicators: economic growth (as measured by GDP per capita), population size, and green space. A Big Data approach based on the lexica used on social media was proposed to develop well-being indicators. Using the 2016 data of Weibo (i.e. the Chinese version of Twitter), this study finds that the relationship between residents' well-being and GDP per capita and the relationship between residents' well-being and population size both form inverted U-shaped curves. Specifically, for poor cities, levels of well-being increase as GDP per capita increases. But after peaking at around the median GDP per capita point, levels of well-being drop as the city's economy continues to increase. Similarly, levels of well-being increase with population size for small cities, but decrease for those cities whose population sizes rank in the top quarter. In contrast, there is a positive relationship between well-being and the percentage of green space for all cities. Implications and future directions are discussed.
