Since the occurrence of the Great Financial Crisis (GFC) in 2007/2008, our understanding of (macro) economics changed fundamentally. The evolution of the GFC revealed fundamental changes in the structural composition of financial systems in that traditional retail banking services, especially in the U.S., shifted progressively into a market-based banking system called the shadow banking system. Consequently, policy makers were forced to adapt the existing toolkit in two ways: implementing unconventional monetary measures to stimulate markets and introducing macroprudential measures as laid...