Sentence:  While there may be several such industries to which the model of this paper is applicable , the authors make particular claim of relevance to the explanation of the course of wages and <WSD>prices</WSD> in the steel industry of the United States since World War 2 , . 
Meaning of the word marked with <WSD> tags:  the property of having material worth (often indicated by the amount of money something would bring if sold)