Nadi4753
Nadi4753
13.03.2020 • 
Business

Kara was earning $40,000 per year. When her income rose to $60,000 per year, she enjoyed the higher level of consumption for a while, but eventually she was no more happy than when she earned $40,000 (assume prices didn't change over this time period). Economist Richard Easterlin described this as .

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