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by dag100
2 days ago
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> If I invest half my income and spend half my income, and the prices of goods goes up 4.2% and my income goes up 4.2%, then I've made progress; I'm now investing more than half my income, because the half of my income I was spending has stayed even and the half I was investing has increased. Let's say your income is $100. You spend $50 and invest $50. The prices of goods goes up 4.2%, so to keep your current living standards, you must now spend $51.20. Your income increases by 4.2% to $104.20. After expenditures, you now have $51.20, or exactly half your income, to invest. So you haven't made any progress. And investing $50 now is equivalent to investing $47.98 before in terms of what you could have bought instead of investing. |
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