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Book Part Effectiveness of macroprudential policies: Panel data evidence on the role of institutions, financial structure, and banking regulations(Springer International Publishing, 2021) Ekinci,M.F.; Özcan,G.The effectiveness of macro-prudential policies to mitigate credit cycles and reduce capital flow volatility is at the center of policy debates. In this chapter, we investigate the factors which influence the performance of macro-prudential tools by focusing on institutions, financial structure, and banking sector regulations. We find strong evidence indicating that macro-prudential measures are more effective when they are complemented with a tighter regulatory framework. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2021. All rights reserved.Article Citation - WoS: 1Citation - Scopus: 1Model Uncertainty and Financial Frictions: Implications for Optimal Monetary Policy(World Scientific, 2024) Kantur,Z.; Özcan,G.The last decades proved that policymaking without considering uncertainty is impracticable. In an environment of uncertainty, policymakers have doubts about the policy models they routinely use. This paper focuses specifically on the situation where uncertainty on the financial side of the economy leads to misspecification in the policy model. We describe a coherent strategy for policymakers who are averse to model misspecification and analyze optimal policy design in the face of Knightian uncertainty. To do so, we augment a financial dynamic stochastic general equilibrium model with model misspecification in a simple minimax framework where the central bank plays a zero-sum game versus a hypothetical evil agent. The policy is tailored to insure against the worstcase outcomes. We show that model ambiguity on the financial side requires a passive monetary policy stance. However, if the uncertainty originates from the supply side of the economy, an aggressive response of interest rate is required. We also show the impact of an additional macroprudential tool on the dynamics of the economy. © 2024 World Scientific Publishing Company.
