economics Paradigm Challenge

The 'mental drain' of being poor is actually caused by the feeling of constant stress, not just the lack of money.

March 25, 2026

Original Paper

Does Scarcity Tax Parents' Minds?

Ariel Kalil, Mauricio Koechlin

SSRN · 6465064

The Takeaway

It is often assumed that lower-income parents invest less time in their children because of poor self-control or simply lacking funds. This study shows that the cognitive drain actually comes from 'felt scarcity' (subjective stress), which saps a parent's attention regardless of their actual income level.

From the abstract

Parents with limited income spend less time than their advantaged counterparts engaging in educational activities with their children. A common explanation is that financial scarcity creates a "bandwidth tax" on cognition. The scarcity framework highlights two components: attentional capacity (the ability to focus amid competing demands) and executive control (the ability to resist temptation and act in line with long-term goals). No study has tested which is the primary constraint on parental i