What does housing collateral mean for Hong Kong economy? From the perspective of modelling and policy implication

This paper studies the housing sector of Hong Kong and the role of collateral constraint in modelling Hong Kong economy, through the lens of a small open economy DSGE model with a currency board exchange rate commitment. By estimating and evaluating the model by Indirect Inference over the sample pe...

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Bibliographic Details
Published in:Economic analysis and policy 2024-09, Vol.83, p.667-684
Main Authors: Zhao, Zhiqi, Tang, Yunjie
Format: Article
Language:English
Subjects:
Collateral constraint
DSGE
Housing price
Indirect inference
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Summary:This paper studies the housing sector of Hong Kong and the role of collateral constraint in modelling Hong Kong economy, through the lens of a small open economy DSGE model with a currency board exchange rate commitment. By estimating and evaluating the model by Indirect Inference over the sample period of 1994Q1–2018Q3, it is found that the collateral model can match data behaviour. Comparing with the tests generated from the model without collateral, collateral model can match the housing price data better, while the model without collateral fits the general price better. Since collateral constraint acts like an additional transmission channel, it enhances the impact from shocks and housing price is highly determined by housing demand. We further investigate LTV policy, finding it could be applied as macroprudential policy, especially when addressing the problem caused by increase in the US interest rate and the burst in the domestic housing demand, but the government should watch closely to the crowding out effect from export to housing demand and housing investment.
ISSN:0313-5926
DOI:10.1016/j.eap.2024.07.009