The value of oil has not changed during the last nine months. If the buyers had been breaking even at $100/barrel, at $30/barrel, they're getting $70 worth of m

The value of oil has not changed during the last nine months. If the buyers had been breaking even at $100/barrel, at $30/barrel, they're getting $70 worth of merchandise for free. Imagine the shoe were on the other hand, and the average hourly wage were slashed by 70%. It is important in this example, that I assume the original deal is not unfair, which is not always the case. Price of oil as well as price of labour has other dimensions; if it weren't so, there would be much less war and revolution, respectively.