Marx Brothers Jones (Harrison Ford) to keep it out of Nazi hands. When Indy misconstrues the purpose of being sent it and returns it to his father instead, his father berates him by saying "I should have mailed it to the Marx Brothers!". In the 1996 musical, By Jeeves, based on the Jeeves stories by P.G. Wodehouse, during "The Hallo Song", Gussie Fink-Nottle suggests "You're either Pablo Picasso", to which Cyrus Budge III replies "or maybe Harpo Marx!" In Rob Zombie's 2003 film House of 1000 Corpses, the clown Captain Spaulding is named after the Marx brothers character, and this is mentioned
Karl Marx and the Close of His System labour value, he argues that the basic error in Marx's system resulted from a self-contradiction of Marx's law of value, namely how the rate of profit and the prices of production of the third volume of Marx's "Capital" contradict Marx's theory of value in the first volume. He maintains that since the law of value is not directly controlling in capitalist production, the theory of value must be abandoned. Bawerk also attacks Marx for downplaying the influence of supply and demand in determining permanent price, and for deliberate ambiguity with such concepts. "Karl Marx and the Close of His System"