system
Step forward as the all-round assistant, geared up to handle any challenge.
human
Rearrange this academic essay to make it more suitable for high school students.

It is evident through a review of the literature that the state of the economy has a profound effect on the level of happiness experienced by individuals. While improvements to financial well-being are positively correlated with increases in happiness, the effect declines after a certain point.
gpt
Money can buy happiness, but only to a certain extent.