Everyday would be Christmas. But what baffles me is why these civilisation would be so generous. By definition, trade means exchange. No exchange, no trade. And this is what the likes of Adams and Hanson obviously do not understand.
Trade is a two-way street.
And people only trade when it is mutually beneficial. If Adams were right, rich Asian and Western countries would now be busy dumping huge quantities of consumer goods on poor countries like Ethiopia and Bangladesh thus massively raising their level of consumption. The reality, however, is that these countries can only import what they can pay for. It is their weak purchasing power that limits their ability to import large quantities of consumer goods. In other words they have little to exchange.