Chapotraphouse

Has Chomsky ever written at length about Marxism? The most I've heard him say sounds indistinct from anything a liberal would say, like that Marxism is outdated, it's a model of 19th century capitalism that fails to analyze blah blah, and he'll even say stuff like Marxism has the same roots as fascism, or that Marxism is like a religion. The one thing that really baffled me is one time Chomsky said Marx devised an abstract model of capitalism, and that essentially capitalism is too complex to make into an abstract model and remain scientific. That's really perplexing that a supposed social scientist like Chomsky would say. What's a good alternative to modeling capitalism then, Noam? Nothing? Liberalism?