Milton Friedman describes the time he used cigarettes as money. (I get this from his book "Money Mischief".)
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I'm sure you've seen/read this, but this is my all-time favorite "cigs as money" paper:
icm.clsbe.lisboa.ucp.pt/docentes/url/j
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I have seen people use it @ 15K ft on a mountaineering trip even when they had cash. Heck even I had done it. Because at that height many things are more valuable than hard cash (obviously up to a reasonably high number).
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I used knitting yarn as “money” back in 1991, when I was a student in Moscow. Still have a sweater made of some if that very yarn. I guess, it’s my “savings” component?
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Friedman was a great populariser of free-market economics. ‘Free to Choose” is a great intro to the school of thought. 👍
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