sentences:  Global labor arbitrage
  
  Global labor arbitrage is an economic phenomenon where, as a result of the removal of or disintegration of barriers to international trade, jobs move to nations where labor and the cost of doing business (such as environmental regulations) is inexpensive and/or impoverished labor moves to nations with higher paying jobs.Two common barriers to international trade are tariffs (politically imposed) and the costs of transporting goods across oceans.