"No ser menos que los demás" seems to be the same concept as "keeping up with the Joneses." For "hedonic treadmill" I imagine something similar to "carrera de r

"No ser menos que los demás" seems to be the same concept as "keeping up with the Joneses." For "hedonic treadmill" I imagine something similar to "carrera de ratas" would be closest. Would be interested to hear if anyone else has an oft used translation!