Original sentence: Because the multinational corporation is able to choose between many underdeveloped or depressed countries in setting up an overseas fatory, and most of these countries do not have limited governments, bidding wars of sorts erupt between their governments.Often the government pays part of the initial cost of factory setup, loosens environmental protections and rules regarding negligence and the treatment of workers, and promises not to ask payment of taxes for the next few years.The creation of special free-trade zones is criticized as giving business which set up operations undue influence over already corrupt governments, and as giving foreign corporations more economic liberty than is given ordinary citizens, who face large and somtimes insurmountable "regulatory" hurdles in most third-world nations.Usually, these zones are set up by the government after lobbying from multinationals, who use the argument that this will attract employers and thus reduce poverty and unemployment and stimulate the area's economy.When the taxation-free years are over the corporation which set up the factory without fully assuming its costs is often able to set up operations elsewhere for less expense than the taxes to be paid, giving it leverage to take the host government to the bargaining table with more demands in order for it to continue operations in the country
Edited sentence: As soon as these years are over, the company threatens to leave... third world governments are at the mercy of these corporations.However, once these zones are set up the country is at the mercy of the corporations because they can leave at any time, to hire workers in another country.This gives corporations much power which they can use to demand extras: often the country pays part of the initial cost of factory setup, and promises not to ask payment of taxes for the next few years.Usually, these zones are set up by the government after lobbying from multinationals, who use the argument that this will attract jobs and thus stimulate the economy of a land