Complex sentence: In this sense, the term actually existing capitalism can be understood as a critique of the methods of the economics discipline generally and specifically the Austrian School or the Chicago school of economics as these two schools are strong proponents of capitalism and markets.
Split into simpler sentences: In this sense, the term Actually Existing Capitalism can be understood as a critique of the methods of the Economics Discipline generally, and specifically the Austrian School of Economics or the Chicago School of Economics. As these two schools are strong proponents of capitalism and markets.