I'm just an ordinary peasant. I don't know English. It's inconvenient to communicate with you. Please understand. This is what I think is the best video, although not technical content, but very intoxicating.
Like most economists, I too used to believe that my dislike of Christmas presents and my preference for cash was due to the inefficiency and inherent potential for deadweight economic loss in gift exchange. Later I realised that I was just afraid of intimacy.