Korea is well known for its long working hours amongst employees, being always no. 1 or 2 in OECD ranking for average annual hours. Researchers find that the long working hours have detrimental effects on productivity and employees' material well-being such as work-related injuries and illness....

Subjective well-being has attracted sharply increasing attention among researchers and policy makers in recent years. The public also pays a lot of attention to it, evidenced by the heavy use of the word "happiness" in media. Some researchers argue that subjective well-being measures should...