No. 1089 - Non-standard monetary policy, asset prices and macroprudential policy in a monetary union

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by Lorenzo Burlon, Andrea Gerali, Alessandro Notarpietro and Massimiliano Pisani October 2016

This paper evaluates the macroeconomic and financial effects of the Eurosystem’s Asset Purchase Programme (APP) and its interaction with a member country’s macroprudential policy. We assume that some households in a euro-area (EA) country are subject to a borrowing constraint, and that their local real estate acts as the collateral.

In order to highlight the interaction between the APP and region-specific macroprudential policies, we simulate a situation in which, as the APP is carried out, households in one EA region develop overly optimistic expectations about local real estate prices.

We report four main findings. First, a relatively large loan-to-value (LTV) ratio in one region can greatly amplify the expansionary effect of the union-wide non-standard monetary policy measures on domestic households’ borrowing. Second, while the APP is being implemented, an increase in households’ borrowing in one region can be further magnified by the combination of a high LTV ratio and overly optimistic expectations. Third, region-specific macroprudential measures can stabilize private sector borrowing with limited negative effects on economic activity. Fourth, our results hold also in the case of area-wide overly optimistic expectations.

Published in 2018 in: Journal of International Money and Finance, v. 88, pp. 25-53