A world without Marxism

We all know that there are 3 Ideologies: Capitalism, Communism, and Socialism (technically 6, but Fascism is dead, and Jihad is basically a branch of Nazism, which is part of Fascism, and Feudalism is just there), so imagine a Capitalist Earth. This is an alternate timeline where Karl Marx was assassinated while writing about an alternate ideology to Capitalism.