Original sentence: According to the Austrian Business Cycle Theory, the central bank's policy of attempting to control the market economy is ineffective and creates volatile credit cycles or business cycles, and, as a necessary by-product, inflation (especially in asset markets)
Edited sentence: According to the Austrian Business Cycle Theory, the central bank's policy of attempting to control the complex multi-faceted ever-evolving market economy is ineffective and creates volatile credit cycles or business cycles, and, as a necessary by-product, inflation (especially in asset markets)