The doctoral thesis addresses open research questions in the field of monetary economics in a series of papers. The focus of these papers lies on the nexus among monetary conditions, financial markets and asset price dynamics. The series of papers (1) analyze the information content of excess liquidity measures, (2) address the shortcomings of conventional measures of monetary conditions and develops the concept of market leverage, (3) examine if US monetary policy at least implicitly responds to asset prices, (4) draw a roadmap of asset bubbles worldwide, (5) suggest that monetary policy can impede the probability of simultaneous asset bubbles and (6) analyze the effects of monetary policy in financial markets using a heterogeneous agent model.weiterlesen