They are probably pretty excited to get paid far more than they could by farming.  In China incomes have gone from 2000 yuan a year farming, to 2000 yuan a month or more working in factories.  Ricardo&#x27;s theory of comparative advantage works great in theory and practice, if you are open minded enough to look at all the evidence.<p>Paul Krugman has a great article on this BTW: <a href="http:&#x2F;&#x2F;web.mit.edu&#x2F;krugman&#x2F;www&#x2F;ricardo.htm" rel="nofollow">http:&#x2F;&#x2F;web.mit.edu&#x2F;krugman&#x2F;www&#x2F;ricardo.htm</a>