Field studies by pioneers like Madrian and Shea found participation jumps when enrollment flips from opt in to opt out, often moving from modest rates to strong majorities. The mechanism is powerfully human: inertia and trust. We borrow that mechanism, deliberately, for household resilience.
Present bias tilts attention toward immediate rewards, even when future benefits are larger. Rather than shame ourselves, we redesign environments so that the easiest action serves long-term goals. Defaults and gentle hurdles do that lifting, transforming willpower questions into design choices that quietly sustain progress.
Adding a minute of friction to streaming sign-ups drops accidental subscriptions dramatically; removing a minute from savings transfer setup increases follow-through. Small time costs act like levers. We examine where to place them, measure results, and keep only those that clearly improve daily life.