Monetary policy in mainland China differs from conventional central banking in several respects. The central bank regulates retail lending and deposit rates, influences the credit supply via window guidance, and, in recent years has even used the required reserve ratio as a tool for fine-tuning monetary policy. This paper develops a New Keynesian DSGE model to captures China's unconventional monetary policy toolkit. We find that credit quotas are important as the interest-rate corridor distorts the efficient reactions of the economy. Moreover, for China's central bankers the choice of a particular monetary policy tool or a the appropriate combination of instruments depends on the source of the shock.
In the wake of the 2008-2009 global financial crisis, the macroeconomic discussion has returned to the topic of proactive macroprudential policies. One proactive approach, the use of loan-to-value (LTV) policies to curb booming property markets, has long been used by Hong Kong's monetary authorities to actively manage and mitigate the potential fallout from housing price bubbles. Here, we analyse the merits of this countercyclical macroprudential policy in a New Keynesian DSGE model. We conclude that nonlinear LTV policy rules implemented in reaction to episodes of high property price inflation can limit transmission of housing price cycle effects to the real economy.
Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Model uncertainty is inherent in the design of optimal environmental policy. We investigate the consequences in a simple linear model, where the aim of the policymaker is to stabilize the carbon content of the atmosphere. We study how decision-makers' concerns about robustness alter policy using the Hansen and Sargent (2000 approach. The analysis shows that a policymaker, who fears model misspecification should react more aggressively to changes in the stock of atmospheric carbon and implement policies which deliver a greater reduction of emissions.
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Documents in EconStor mayJEL Code: C61, Q25, Q28, D81.
This paper develops and estimates an open-economy dynamic stochastic general equilibrium (DSGE) model of the Hong Kong economy. The model features short-run price rigidities generated by monopolistic competition and staggered reoptimization. We devote special attention to asset prices and wealth effects, which we believe to be important. For this reason we adopt a perpetual-youth approach. Model parameters and unobserved components are estimated with a Bayesian maximum likelihood procedure, conditional on prior information concerning the values of parameters. The estimations identify substantial wealth effects and indicate that the nominal interest rate responds to unexpected movements in stock prices. (C) 2010 Elsevier B.V. All rights reserved
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