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The main subject of this dissertation is the analysis of the impact of the creation of the Eurozone on its member countries. This analysis comprises two studies that analyze this research agenda from different perspectives.
The first study compares the monetary policy of the ECB with the respective monetary policy of selected central banks of the European Monetary System (EMS). More precisely, conditional on aggregate demand and supply shocks, are there differences in the systematic central bank reaction function of the ECB and the four most important central banks of the EMS (Germany, France, Italy and Spain).
The second study analyzes the built-up of internal and external imbalances in Spain, i.e., on the housing market and in the current account, during the run-up to the financial crisis in 2007/08. The analysis differentiates between domestic Spain-specific factors and foreign Eurozone-factors that led to the macroeconomic imbalances.
The third and last study develops a price-theoretic credit supply model. In order to validate the model empirically, a credit market is estimated on the basis of data from the German credit market for enterprises. Finally, the results from the empirical exercise are compared to the predictions of the theoretic model.
Methodologically, all studies draw heavily on time series methods such as (multi-country) vector autoregressions (VARs) and time series regressions.
Within three self-contained studies, this dissertation studies the impact and interactions between different macroeconomic policy measures in the context of financial markets empirically and quantitatively. The first study of this dissertation sheds light on the financial market effects of unconventional central bank asset purchase programs in the Eurozone, in particular sovereign bond asset purchase programs. The second study quantifies the direct implications of unconventional monetary policy on decisions by German public debt management regarding the maturity structure of gross issuance. The third study provides novel evidence on the role of private credit markets in the propagation of public spending toward private consumption in the U.S. economy. Across these three studies a set of different time-series econometric methods is applied including error correction models and event study frameworks to analyze contemporaneous interactions in financial and macroeconomic data in the context of unconventional monetary policy, as well as vector auto regressions (VARs) and local projections to trace the dynamic consequences of macroeconomic policies over time.