West Texas Intermediate between the two has once again increased to over $14, but was back down to $4 by the end of 2014. West Texas Intermediate West Texas Intermediate (WTI), also known as Texas light sweet, is a grade of crude oil used as a benchmark in oil pricing. This grade is described as Medium crude oil because of its relatively low density, and sweet because of its low sulfur content. It is the underlying commodity of New York Mercantile Exchange's oil futures contracts. The price of WTI is often referenced in news reports on oil prices, alongside the price of Brent
Commodity (Marxism) was extensively debated by Adam Smith, David Ricardo, and Karl Rodbertus-Jagetzow, among others. Value and price are not equivalent terms in economics, and theorising the specific relationship of value to market price has been a challenge for both liberal and Marxist economists. In Marx's theory, a commodity is something that is bought and sold, or exchanged in a market. Price is then the "monetary expression" of exchange-value, but exchange value could also be expressed as a direct trading ratio between two commodities without using money, and goods could be priced using different valuations or criteria. According to the labor theory