Microeconomics 14th Edition by James Gwartney ,Richard Stroup,Russell Sobel ,David Macpherson

تمرين 6

* People who are wealthy are widely believed to have more leisure time than people who are poor. However, even though we are a good deal wealthier today than our great-grandparents were 100 years ago, we appear to live more hectic lives and have less free time. Can you explain why?