I like to think of all of this as a noble expression of solidarity, as evidence of the decency of my fellow caraquenos at a time of mind-numbing shortages of basic goods and exploding inflation. I know that in most cases the motivation is necessity, even desperation. But that’s all right. Handing that freshly baked baguette to the parking lot attendant made both of us smile, even if for just a second. 

If you've ever swapped one of your toys with a friend in return for one of their toys, you have bartered. Bartering is trading services or goods with another person when there is no money involved. This type of exchange was relied upon by early civilizations. There are even cultures within modern society who still rely on this type of exchange. Bartering has been around for a very long time, however, it's not necessarily something that an economy or society has relied solely on.
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