The Diderot Effect and What It Means for Your Wallet
How obtaining something new can create a spiral of consumption that leads you to acquire even more new things.
In 1765, a French philosopher named Denis Diderot (1713-1784) was given a large sum of money from Catherine the Great of Russia for his private library. Shortly after his financial situation improved, Diderot received a beautiful, luxurious, scarlet dressing gown.
It didn’t take long for him to notice that his elegant robe made his other belongings look ragged and worn out. So, he decided to do something about this perceived incongruence in his environment by upgrading his surroundings. He replaced his chairs, then his old desk, and rugs. One by one, out with the old and in with the new and more expensive. Eventually, he fell into debt trying to create a space worthy of his new robe.
Apparently, lifestyle creep existed even back in the 1700s.
Diderot wrote an essay about the experience, describing his spending regret with a line that so profoundly captures the paradox of consumerism:
“I was the absolute master of my old robe. I have become the slave of the new one.”
The Diderot Effect
In 1988, with his book Culture and Consumption, anthropologist Grant McCracken popularized the concept of the Diderot Effect—a psychological phenomenon in which acquiring something new can activate a desire to further consume and upgrade so that all your possessions complement one another.
Most of us want to feel consistency and harmony in our environments. When our beliefs and actions conflict, or when our existing possessions look mismatched, that can lead to the uncomfortable feeling of cognitive dissonance or cognitive inconsistency.
Have you ever bought a brand new cellphone and just had to get all the new accessories to go with it? Or maybe you purchased a new couch and suddenly felt the urge to redesign the entire room around your new piece of furniture? That’s the Diderot Effect.
Choose the Robe, Don’t Let the Robe Choose You
Balancing your love for nice things or experiences and avoiding unnecessary debt requires intentional values-based spending and planning.
Before you hit that “pay now” button or place an item in your cart, take a moment to reflect on whether what you are buying is fulfilling a true need. Give it the value check. Ask yourself if what you are buying provides value to you in a way that is aligned with what truly enhances your life and brings you joy.
Would you still want it even if no one else would see it? Will you care about it in six months? If you didn’t see it on social media, would you still have been looking for it?
Over 250 years ago Diderot warned not to let your possessions own you. In modern times, the message seems even more critical given the landscape of social media and mass marketing. Being constantly exposed to idealized lifestyle curation, coupled with the effortless ease of clicking “buy now,” is exactly why we must remain aware and financially intentional. It’s the perfect combination for lifestyle creep, regret, and an endless cycle of mindless consumerism.
Protect your peace and your wallet.
If you’ve made it this far, thank you for reading!!!
I hope today you’re met with kindness, especially from yourself.
💚💚💚
References
Diderot, D. (2005). Regrets for my old dressing gown, or A warning to those who have more taste than fortune (M. Abidor, Trans.). Marxists Internet Archive. marxists.org (Original work published 1769)
McCracken, G. (1988). Culture and consumption: New approaches to the symbolic character of consumer goods and activities. Indiana University Press.
McGurran, B. (2026, September 22). What is lifestyle creep? (S. Mountjoy, Ed.). Experian. https://www.experian.com/blogs/ask-experian/what-is-lifestyle-creep/
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