The economics of happiness or happiness economics is the theoretical, qualitative and quantitative study of happiness and quality of life, including positive and negative affects, well-being, life satisfaction and related concepts – typically tying economics more closely than usual with other social sciences, like sociology and psychology, as well as physical health. It typically treats subjective happiness-related measures, as well as more objective quality of life indices, rather than wealth, income or profit, as something to be maximized. The field has grown substantially since the late 20th century, for example by the development of methods, surveys and indices to measure happiness and related concepts, as well as quality of life. Happiness findings have been described as a challenge to the theory and practice of economics. Nevertheless, furthering gross national happiness, as well as a specified Index to measure it, has been adopted explicitly in the Constitution of Bhutan in 2008, to guide its economic governance.
Subject classifications The subject may be categorized in various ways, depending on specificity, intersection, and cross-classification. For example, within the Journal of Economic Literature classification codes, it has been categorized under:
Welfare economics at JEL: D63 – Equity, Justice, Inequality, and Other Normative Criteria and Measurement Health, education, and welfare at JEL: I31 – General Welfare; Basic needs; Living standards; Quality of life; Happiness Demographic economics at JEL:J18 – Public policy.
Metrology Given its very nature, reported happiness is subjective. It is difficult to compare one person's happiness with another's. It can be especially difficult to compare happiness across cultures. However, many happiness economists believe they have solved this comparison problem. Cross-sections of large data samples across nations and time demonstrate consistent patterns in the determinants of happiness. Happiness is typically measured using subjective measures – e.g. self-reported surveys – and/or objective measures. One concern has always been the accuracy and reliability of people's responses to happiness surveys. Objective measures such as lifespan, income, and education are often used as well as or instead of subjectively reported happiness, though this assumes that they generally produce happiness, which while plausible may not necessarily be the case. The terms quality of life or well-being are often used to encompass these more objective measures. Micro-econometric happiness equations have the standard form: W i t = α + β x i t + ϵ i t {\displaystyle W_{it}=\alpha +\beta {x_{it}}+\epsilon _{it}} . In this equation W {\displaystyle W} is the reported well-being of individual i {\displaystyle i} at time t {\displaystyle t} , and x {\displaystyle x} is a vector of known variables, which include socio-demographic and socioeconomic characteristics. Macro-econometric happiness has been gauged by some as Gross National Happiness, following Sicco Mansholt's 1972 introduction of the measure, and by others as a Genuine Wealth index. Anielski in 2008 wrote a reference definition on how to measure five types of capital: (1) human; (2) social; (3) natural; (4) built; and (5) financial. Happiness, well-being, or satisfaction with life, was seen as unmeasurable in classical and neo-classical economics. Van Praag was the first person who organized large surveys in order to explicitly measure welfare derived from income. He did this with the Income Evaluation Question (IEQ). This approach is called the Leyden School. It is named after the Dutch university where this approach was developed. Other researchers included Arie Kapteyn and Aldi Hagenaars. Some scientists claim that happiness can be measured both subjectively and objectively by observing the joy center of the brain lit up with advanced imaging, although this raises philosophical issues, for example about whether this can be treated as more reliable than reported subjective happiness.
Determinants
GDP and GNP Typically national financial measures, such as gross domestic product (GDP) and gross national product (GNP), have been used as a measure of successful policy. There is a significant association between GDP and happiness, with citizens in wealthier nations being happier than those in poorer nations. In 2002, researchers argued that this relationship extends only to an average GDP per capita of about $15,000. In the 2000s, several studies have obtained the opposite result, so this Easterlin paradox is controversial.
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