There is a debate between two types of trade, free trade and fair trade, which is discussed on http://www.aworldconnected.org/arti
Fair trade is somewhat a difficult term to define by even economists. Here is a direct quote from the website explaining fair trade, "Advocates of free trade sometimes oppose fair trade on the belief that the concept is incoherent. Suppose that an initial “fair” price for a company to pay workers could be agreed upon. But would the price (or wage) be fairer if it was higher? If it was lower? If higher, workers capturing the jobs at that wage would live better. If lower, more workers could benefit from being paid that lower wage. What conditions of fairness underlie the idea of a “fair” price?" This vague definition creates an odd situation as to how fair trade can be implemented. Basically, fair trade proponents see Third World countries getting the shorter end of the stick because free trade creates jobs that pay meager wages that are nowhere near sustainable living levels.
Apart from this one web page, there are several other links on the right hand side that discuss free trade and fair trade.