Why cash loses value
Understand why the 'minimum cash' principle: in high-inflation environments, cash minimisation is rational — not reckless.
In this lesson
Why cash loses value is part of Real Returns and Currency Hedges. This preview shows how economic-forces connects to everyday family decisions such as earning, saving, spending choices, goals, approvals, or parent-guided money conversations inside Progress Penguin.
Think about this money choice
Imagine this situation: You keep 500000 in local currency under your mattress for 2 years while inflation averages 24%.
How it works
The 'minimum cash' principle: in high-inflation environments, cash minimisation is rational — not reckless. The calculation: cash at 0% vs inflation at 24% = certain −24% real return annually. Even T-bills at 20% are better than cash at 0% (−4% real vs −24% real). The financially sophisticated hold cash only for: immediate expenses, emergency fund (in a high-yield vehicle ideally), and short-term known commitments. Everything else is invested.
Apply it to a real decision
Real-life money moment: You receive 1000000 in local currency as a gift. Inflation is 26%. Design a cash allocation that minimises purchasing power loss while maintaining appropriate liquidity. — Tiered cash allocation against inflation: the goal is to have each local currency in the highest-return instrument that matches its time horizon. Immediate expenses need instant access (bank). Emergency fund needs next-day access but slightly better return (money market). Known future expenses can be locked for their horizon (T-bills). Long-term capital fights inflation through equities. This structure minimises idle cash while maintaining full liquidity for each specific need.
Activity preview
Apply the idea
Use the lesson to complete this short practice activity.
Quiz preview
Cash in a 0% account during 15% inflation:
You keep 500000 in local currency under your mattress for 2 years while inflation averages 24%. What is the approximate purchasing power loss in local currency terms?