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A comment on Citigroup Has ‘Technical Issue’ as Customers Say Accounts Frozen. Parent comment

Re:Citigroup Has ‘Technical Issue’ as Customers Say Accounts... by chipperyman573 on Saturday June 25, 2016 @04:05AM (#11975628)
It very well might be, but not using a 1% cashback card doesn't mean you pay 3% less than someone using one. I can $1000 for a TV and get $10 or get $0 back - paying $970 and getting $0 back isn't an option
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Re:Citigroup Has ‘Technical Issue’ as Customers Say Accounts... by mysterypie on Saturday June 25, 2016 @07:05AM (#11975944)
Sure, that's true so long as the reward system exists. But if the reward system didn't exist everybody (including YOU) would be better off.

I wish there was an economic expression to describe the situation with credit cards and their rewards. Tragedy of the commons[1] and the unscrupulous diner's dilemma[2] both come close, but aren't exactly right.

[1] https://en.wikipedia.org/wiki/Tragedy_of_the_commons

[2] https://en.wikipedia.org/wiki/Unscrupulous_diner%27s_dilemma

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