Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
This man noted how the unseen collusion between capitalist "masters" can depress wages in the chapter "Of the Wages of Labour" from one of his works, in which he discusses value in use and value in exchange in relation to the price of water and diamonds. In that work, this economist uses the example of a(*) pin factory in order to explain specialization and division of labor. For 10 points, name this Scottish economist who outlined the concepts of supply and demand and wrote of an "invisible hand" governing markets in The Wealth of Nations.
A:
Social Science