## 1. House Prices Growth in Malaysia, 2001–2012

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### Introduction and scope
- Focus: price developments in the Malaysian housing market and its sustainability using quarterly house price index data beginning 2000Q1 (annual growth rates from 2001Q1).
- Methodology: two-step econometric procedure constructing baseline “predictors” from a sample ending 2010Q2 and producing out-of-sample predictions starting 2010Q3.
- Data limitation: limited timely micro-data (households’ income and assets); results are indicative and meant as warnings and guidance for further study.

### Key empirical facts on house prices and households
- From 2001 through 2009 house price growth averaged 3 percent (annual).
- Since 2010 the growth rate increased, reaching 12 percent at the beginning of 2011.
- Average inflation (end of period) changed from 2.7 percent for 2007–2009 to 2.6 percent for 2010–2011.
- Regional variation in house price growth (beginning 2012): 18 percent in Kuala Lumpur to -1.1 percent in Perlis.
- Household debt-to-GDP ratio reached 74 percent at the end of 2011 (historical peak).
- Total household financial and liquid assets are 2.3 times and 1.5 times household debt, respectively.
- Visual and formal analysis indicate a structural break in house price dynamics beginning around 2010Q3; the second half of 2010 marks a clear change.

### Risks to financial stability
- Sharp rise in house prices combined with relatively high household indebtedness could be a source of financial stability risk.
- Mechanism: a sharp fall in prices would reduce collateral values, impair borrower repayment capacity in a recessionary environment, and could affect financial institutions’ balance sheets.
- Aggregate household financial buffers could mitigate risks, but distributional micro-level variation may be important and is not captured by aggregate data.

### Policy measures enacted (timeline and specifics)
- November 2010: BNM introduced maximum 70 percent LTV ratio on the third and subsequent home mortgages.
- January 2011: banks’ capital risk weights raised to 100 percent for mortgages with LTVs exceeding 90 percent.
- December 2011: maximum LTV ratio of 60 percent set for residential property loans taken by non-individual borrowers.
- January 2010: Real Property Gains Tax (RPGT) set at 5 percent after exemption during 2007–2009.
- 2011 revision: RPGT reintroduced as tiered structure ranging between 5 and 10 percent for disposal within five years of purchase.
- 2013 budget (announced September 2012): RPGT revised to 10–15 percent for disposal within five years.
- January 2010: minimum unit price for house purchases by foreigners raised from RM 250,000 to RM 500,000.

### Predictor of House Prices Growth — model construction and results
- Baseline sample period: 2001Q2–2010Q2 (Included observations: 37 after adjustments).
- Dependent variable: annual percentage growth rate of the house price index.
- Regressors: CPIRP (CPI component: rents, power and utilities), RGDP (Real GDP), SENT (consumer sentiment index), BLR (base lending rate).
- Data transformations: regressions on percentage annual changes for dependent and regressors (BLR entered as annual difference); appropriate lag structure employed.

Model estimation results (Least Squares, sample 2001Q2–2010Q2):
- Constant: -1.20 (Std. Error 1.00; t-Stat -1.20; Prob 0.24)
- RGDP(-1): 0.58 (Std. Error 0.09; t-Stat 6.71; Prob 0.00)
- CPIRP(-2): 1.30 (Std. Error 0.54; t-Stat 1.43; Prob 0.02)
- BLR: -1.79 (Std. Error 0.52; t-Stat -3.41; Prob 0.00)
- SENT: 0.05 (Std. Error 0.01; t-Stat 6.35; Prob 0.00)

Model diagnostics:
- R-squared: 0.71
- Adjusted R-squared: 0.68
- S.E. of regression: 0.92
- AIC-corrected: 4.73
- Schwarz criterion: 3.02
- Durbin-Watson stat.: 1.96
- Engel-Granger test for cointegration: strongly rejects the null hypothesis that house prices growth and the predictor are not cointegrated (p-values below 0.0 percent).

Key findings from the predictor analysis:
- Predictor explains 71 percent of in-sample variation in house prices growth.
- All regressors’ coefficients have the expected signs.
- Starting with the second half of 2010, actual house price growth permanently exceeds the predictor (out-of-sample).
- Re-estimating the regression for the entire sample: R-squared drops to 38 percent; introducing lagged house price growth raises R-squared to 81 percent and the lagged term is significant at the 1 percent level.
- For pre-2010Q2 sample, lagged house price growth is highly insignificant when added to baseline regression—indicating a change in dynamics after 2010Q2.
- Post-2010Q2, current house price growth is statistically well explained by past price growth or expected future growth rather than by historical predictor variables.

Robustness and alternatives:
- Adding population trend (POP) and more lags increased in-sample fit (R-squared 0.81; Adjusted R-squared 0.76) but raised overfitting concerns and worse AIC-corrected performance.
- Substituting average lending rate on new loans for BLR and adult population growth for POP left results substantially unchanged but reduced explanatory power.
- Replacing CPIRP with construction-materials prices underperformed relative to CPIRP.
- Wage growth data unavailable before 2006 and could not substitute for RGDP.

### Exclusion of housing-supply regressors and endogeneity concerns
- Supply of housing excluded due to "strong endogeneity bias".
- Suggested methods to address endogeneity in future work: use vector auto regression (VAR) or simultaneous equation techniques.
- Alternative supply measures tested and not significant: growth rate (current and lagged) in housing units; ratio between population and number of housing units.
- Population treatment: quarterly population from spline interpolation of annual data; filtered with HP to capture long-term component; annual percentage change in trend population (POP) obtained.
- Population trend coefficient: positive and significant but explains a small portion of variance.
- Alternative model includes contemporaneous RGDP and CIR with positive and significant coefficients.

### Residential lending: objective, model, and results
- Objective: construct predictor for residential loans up to Q2 2010 and compare predicted path with actual loans from Q3 2010 onward.
- Data: BNM monthly series on approved loans by purpose; residential loans available as annual growth rates since January 2007.
- Baseline regression sample: January 2007 to June 2010; out-of-sample: July 2010 to May 2012.
- Regressors: RES(-1) (lagged residential loans), IP (Industrial Production Index), WCL (outstanding approved working-capital loans), OPR (overnight policy rate; annual difference used).
- Transformations: regressions on percentage annual changes for dependent and regressors 1–3; OPR as annual difference.

Predictor estimation results and diagnostics:
- In-sample fit: predictor explains 74 percent of in-sample variation; Adjusted R-squared: 0.72.
- Engel-Granger cointegration test: strongly rejects null (p-value below 0.0 percent).
- Durbin-Watson statistic: 1.88.

Reported coefficients:
- Constant: Coeff. 0.08; Std. Error 0.05; t-Stat 1.73; Prob 0.09
- RES(-1): Coeff. 0.40; Std. Error 0.12; t-Stat 3.22; Prob 0.00
- IP: Coeff. 1.50; Std. Error 0.51; t-Stat 2.95; Prob 0.00
- WCL: Coeff. 0.26; Std. Error 0.10; t-Stat 2.69; Prob 0.01
- OPR(-1): Coeff. -19.60; Std. Error 4.87; t-Stat -4.02; Prob 0.00

Additional model statistics:
- R-squared 0.74
- Adjusted R-squared 0.72
- S.E. of regression 0.17
- AIC-corrected 1.18
- Schwarz criterion -0.32
- Durbin-Watson stat 1.88

Out-of-sample behavior and robustness:
- Growth rate of residential loans remained moderate after first half of 2010; hovered around 10 percent since second half of 2010.
- No sign of a break-down in relation with estimated predictor.
- Engel-Granger test extended to May 2012: strongly rejects null of no cointegration (p-value below 0.0 percent).
- Chow test over entire sample: does not reject null hypothesis of no structural break in June 2010.
- Alternative specification adding lagged WCL and "other loans" raises R-squared to 83 percent (Adjusted R-squared 80 percent) but small sample raises overfitting concerns; baseline preferred by corrected Akaike Information Criterion.
- Out-of-sample behavior largely unaffected by model choice.

Interpretation:
- Residential loans evolution is econometrically stable, contrasting with house-price behavior which shows a structural shift since 2010.
- No evidence that recent higher house-price growth is due to changes in credit policies specific to the mortgage market (a mortgage-specific easing would have produced a structural break with residential loans growth permanently above the predictor path starting Q3 2010).
- Macro-prudential policies appear to have changed lending composition: growth rate of individuals with multiple housing accounts slowed to 2.3 percent in June 2012, from 14.3 percent in December 2010.
- No evident sign that macro-prudential policies have led to a slowdown in house-price growth to date.

### Conclusions, policy implications, and data needs
- Stylized facts:
  - High house-price growth since 2010; since Q3 2011, annual growth rate at least 10 percent.
  - These rates are historical highs for Malaysia, though below some neighboring countries' recent rates.
- Decoupling:
  - Since second half of 2010, house-price growth has decoupled from its structural relation with the historical predictor; decoupling remains unexplained.
- Policy implications:
  - Structural break in 2010 suggests factors beyond historical predictors contributed to sharp rise; policy attention should consider mechanisms that amplify price momentum (e.g., expectations) and distributional vulnerabilities.
  - Macroprudential measures already adopted target LTVs and capital treatment; their effectiveness should be monitored against evolving price dynamics and lending behavior.
  - No evidence that mortgage-lending practices or macro-prudential measures explain the high house-price growth observed so far.
- Recommended further research and data collection:
  - Collect timely micro-level data on household income, assets, and distributional characteristics to assess resilience and downside risks.
  - Collect granular micro-data including house ownership by income group, collateral values, and refinancing facilities taken by house buyers (especially for "equity withdrawal" purposes).
  - Investigate potential "missing variables": changes in tax treatment of real property gains, demand from foreigners (including Malaysians residing abroad), endogenous supply changes, regional dynamics, and microeconomic distributional shifts.

*Prepared by Roberto Piazza (IMF) in the context of the 2013 Malaysia FSAP.*

*Source: _cr1499 - 15.      Of a somewhat different nature is the decision to exclude the supply of housing*

### 1. House Prices Growth in Malaysia, 2001–2012 ......................................................................3

### 1. House Prices Growth in Malaysia, 2001–2012

### Introduction and scope
- Analysis focuses on price developments in the Malaysian housing market and its sustainability, using quarterly house price index data beginning 2000Q1 (annual growth rates from 2001Q1).
- Methodology: two-step econometric procedure constructing baseline “predictors” from a sample ending 2010Q2 and producing out-of-sample predictions starting 2010Q3.
- Cautionary note: limited timely micro-data (households’ income and assets) constrains the analysis; results are indicative and should be used as warnings and guidance for further study.

### Key empirical facts on house prices and households
- From 2001 through 2009 house price growth averaged 3 percent (annual).
- Since 2010 the growth rate increased, reaching 12 percent at the beginning of 2011.
- Average inflation (end of period) changed from 2.7 percent for 2007–2009 to 2.6 percent for 2010–2011.
- Regional variation in house price growth (beginning 2012): 18 percent in Kuala Lumpur to -1.1 percent in Perlis.
- Household debt-to-GDP ratio reached 74 percent at the end of 2011 (historical peak).
- Total household financial and liquid assets are 2.3 times and 1.5 times household debt, respectively.
- Visual and formal analysis indicate a structural break in house price dynamics beginning around 2010Q3; the second half of 2010 marks a clear change.

### Risks to financial stability
- Concern: sharp rise in house prices combined with relatively high household indebtedness could be a source of financial stability risk.
- Mechanism described: a sharp fall in prices would reduce collateral values, impair borrower repayment capacity in a recessionary environment, and could affect financial institutions’ balance sheets.
- Caveat: aggregate household financial buffers could mitigate risks, but distributional micro-level variation may be important and is not captured by aggregate data.

### Policy measures enacted (timeline and specifics)
- November 2010: BNM introduced maximum 70 percent LTV ratio on the third and subsequent home mortgages.
- January 2011: banks’ capital risk weights raised to 100 percent for mortgages with LTVs exceeding 90 percent.
- December 2011: maximum LTV ratio of 60 percent set for residential property loans taken by non-individual borrowers.
- January 2010: Real Property Gains Tax (RPGT) set at 5 percent after exemption during 2007–2009.
- 2011 revision: RPGT reintroduced as tiered structure ranging between 5 and 10 percent for disposal within five years of purchase.
- 2013 budget (announced September 2012): RPGT revised to 10–15 percent for disposal within five years.
- January 2010: minimum unit price for house purchases by foreigners raised from RM 250,000 to RM 500,000.

### Conclusions from overview
- Despite policy measures, house price growth remains at historical highs.
- Statistical evidence points to a structural break in 2010 between actual house price growth and the predictor that historically tracked price dynamics.
- No structural break detected in the relation between residential loans growth and its corresponding predictor estimated from historical data.

---

### Predictor of House Prices Growth — model construction and results

- Sample period used to estimate the baseline predictor: 2001Q2–2010Q2 (Included observations: 37 after adjustments).
- Dependent variable: annual percentage growth rate of the house price index.
- Regressors chosen to capture dividends from ownership, construction costs, income and expectations, and borrowing costs:
  - CPIRP (CPI component: rents, power and utilities) — source: Bank Negara Malaysia.
  - RGDP (Real GDP) — source: Bank Negara Malaysia.
  - SENT (consumer sentiment index) — source: Bank Negara Malaysia.
  - BLR (base lending rate) — source: Bank Negara Malaysia.
- Data transformations:
  - Regressions performed on percentage annual changes for dependent variable and regressors (BLR entered as annual difference).
  - Appropriate lag structure employed (lags indicated in reported coefficients).

Model estimation results (Least Squares, sample 2001Q2–2010Q2):
- Constant: -1.20 (Std. Error 1.00; t-Stat -1.20; Prob 0.24)
- RGDP(-1): 0.58 (Std. Error 0.09; t-Stat 6.71; Prob 0.00)
- CPIRP(-2): 1.30 (Std. Error 0.54; t-Stat 1.43; Prob 0.02)
- BLR: -1.79 (Std. Error 0.52; t-Stat -3.41; Prob 0.00)
- SENT: 0.05 (Std. Error 0.01; t-Stat 6.35; Prob 0.00)

Model diagnostics:
- R-squared: 0.71
- Adjusted R-squared: 0.68
- S.E. of regression: 0.92
- AIC-corrected: 4.73
- Schwarz criterion: 3.02
- Durbin-Watson stat.: 1.96
- Engel-Granger test for cointegration: strongly rejects the null hypothesis that house prices growth and the predictor are not cointegrated (p-values below 0.0 percent).

Key findings from the predictor analysis:
- The predictor provides a good in-sample fit, explaining 71 percent of total in-sample variation in house prices growth.
- All regressors’ coefficients have the expected signs.
- Starting with the second half of 2010, actual house price growth permanently exceeds the predictor (out-of-sample).
- If the regression is re-estimated for the entire sample, R-squared drops to 38 percent; introducing lagged house price growth raises R-squared to 81 percent and the lagged term is significant at the 1 percent level.
- For the pre-2010Q2 sample, lagged house price growth is highly insignificant when added to the baseline regression, indicating a change in dynamics after 2010Q2.
- Post-2010Q2, current house price growth is statistically well explained by past price growth or expected future growth rather than by the historical predictor variables.

Alternative specifications and robustness checks:
- Expanding regressors to include population trend (POP) and more complete lag structures increased in-sample fit (R-squared 0.81; Adjusted R-squared 0.76) but raised overfitting concerns and had worse AIC-corrected performance.
- Out-of-sample behavior of predictors from alternative and baseline models is almost indistinguishable.
- Substituting average lending rate on new loans for BLR and adult population growth for POP left results substantially unchanged but reduced explanatory power.
- Adding price of steel and other construction materials in place of CPIRP underperformed relative to CPIRP.
- Wage growth could not be used as substitute for RGDP because wage data are available only since 2006.

---

### Policy implications and areas for further study
- The structural break in 2010 suggests that factors beyond historically reliable predictors contributed to the sharp rise in house price growth; policy attention should consider mechanisms that amplify price momentum (e.g., expectations) and distributional vulnerabilities.
- Macroprudential measures already adopted target LTVs and capital treatment; their effectiveness should be monitored against evolving price dynamics and lending behavior.
- Further data collection is recommended, particularly timely micro-level data on household income, assets, and distributional characteristics, to assess household resilience and downside risks more accurately.
- Continued monitoring of the relation between residential loan growth and credit supply is warranted given the absence of a corresponding structural break in residential loans dynamics.

*Prepared by Roberto Piazza (IMF) in the context of the 2013 Malaysia FSAP.*

### 15.      Of a somewhat different nature is the decision to exclude the supply of housing

### _cr1499 - 15.      Of a somewhat different nature is the decision to exclude the supply of housing

### Exclusion of housing-supply regressors and endogeneity concerns
- Decision: the supply of housing was excluded from the list of regressors due to "strong endogeneity bias" that the variable could introduce.
- Suggested methods to address endogeneity in future work:
  - Use vector auto regression (VAR).
  - Use simultaneous equation techniques.
- Tested alternative measures of house supply (none significant):
  - Growth rate, current and lagged, in housing units.
  - Ratio between the population and the number of housing units.
- Population handling (notes on alternative model):
  - Official publications report overall population only at an annual frequency.
  - Quarterly population levels obtained using spline interpolation of annual data.
  - Quarterly population series filtered using an HP procedure to capture long-term component and avoid artificial fluctuations from interpolation.
  - Annual percentage change in the trend population (POP) obtained.
  - Regression coefficient for population trend growth: positive and significant, but explains a small portion of the independent variable’s total variance.
- Alternative model also includes contemporaneous values of RGDP and of CIR, both with positive and significant regression coefficients.

### Break-down in structural relation between house prices and macroeconomic variables
- Observation: structural relation suggests an important shift in house-price dynamics since 2010; further investigation recommended.
- Identification of "missing variables" is important to explain rapid house-price growth since 2010.
- Examples and implications:
  - Sudden/unexplained increases in house prices are not necessarily harmful (e.g., improved liquidity).
  - If driven by heightened moral hazard in lending practices, systemic risk consequences would be substantial.
- Suggested additional explanatory variables for alternative econometric models:
  - Changes in the tax treatment of real property gains.
  - Demand for domestic real-estate due to foreigners including Malaysians residing abroad.
  - The role of (endogenous) changes in the supply of houses.
  - Regional dynamics: substantial variation in house-price growth (as seen in Figure 1) may merit investigation.
  - Microeconomic phenomena not evident in aggregate variables: changes in distribution of income growth, of debt and of liabilities across population groups; requires more data collection.

### Residential lending: objective and approach
- Objective: construct a predictor that explains the pattern of residential loans up to Q2 2010 and contrast its predicted path with actual residential loans from Q3 2010 onward to explore links with house-price dynamics.
- Rationale: a break-down in the relation between loans growth and the predictor since Q3 2010 could indicate credit-policy changes specific to mortgages influencing house prices.
- Data and sample period:
  - BNM monthly time series on approved loans by purpose; residential loans series available as annual growth rates since January 2007.
  - Baseline regression sample: January 2007 to June 2010.
  - Out-of-sample period: July 2010 to May 2012 (latest date with values for all regressors).
- Regressors chosen:
  - RES(-1): lagged value of volume of loans approved for acquisition of residential property. [Source: BNM]
  - IP: Industrial Production Index (monthly proxy for aggregate income). [Source: BNM]
  - WCL: outstanding volumes of approved working-capital loans (about 10 percent of WCL to construction sector). [Source: BNM]
  - OPR: overnight policy rate; for OPR the annual difference is used.
- Data transformation:
  - Regression performed on percentage annual changes for dependent variable, current and lagged, and for regressors 1–3.
  - For OPR, the annual difference is used.
- Purpose of regressors: capture current and expected borrower income evolution and general credit-market conditions (volume and price of loans); include lagged dependent variable to improve fit.

### Predictor estimation results and diagnostics
- In-sample fit:
  - Predictor explains 74 percent of total in-sample variation in growth rate of residential lending.
  - Adjusted R-squared: 0.72.
  - Engel-Granger cointegration test: strongly rejects null hypothesis (p-value below 0.0 percent) that growth rates in residential loans and predictor are not cointegrated.
  - Durbin-Watson statistic: 1.88 (close to 2), autocorrelation in residuals ruled out.
- Reported estimated coefficients (as reported in Figure 3):
  - Constant: Coeff. 0.08; Std. Error 0.05; t-Stat 1.73; Prob 0.09
  - RES(-1): Coeff. 0.40; Std. Error 0.12; t-Stat 3.22; Prob 0.00
  - IP: Coeff. 1.50; Std. Error 0.51; t-Stat 2.95; Prob 0.00
  - WCL: Coeff. 0.26; Std. Error 0.10; t-Stat 2.69; Prob 0.01
  - OPR(-1): Coeff. -19.60; Std. Error 4.87; t-Stat -4.02; Prob 0.00
- Additional model statistics:
  - R-squared 0.74
  - Adjusted R-squared 0.72
  - S.E. of regression 0.17
  - AIC-corrected 1.18
  - Schwarz criterion -0.32
  - Durbin-Watson stat 1.88

### Out-of-sample behavior, robustness checks, and alternative specification
- Post-2010 behavior:
  - Growth rate of residential loans remained moderate after first half of 2010; hovered around 10 percent since second half of 2010.
  - No sign of a break-down in relation with estimated predictor.
  - Engel-Granger test (when sample extended to May 2012): strongly rejects null of no cointegration (p-value below 0.0 percent).
  - Chow test over entire sample: does not reject null hypothesis of no structural break in June 2010.
- Alternative model specification:
  - Added regressors: lagged WCL and "other loans" (residual credit variable excluding WCL, residential property, and construction financing).
  - Both additions highly significant with expected positive sign.
  - Fit improves: R-squared increases to 83 percent; Adjusted R-squared to 80 percent.
  - Concern: small sample size raises overfitting concerns.
  - Model selection: baseline model preferred according to corrected Akaike Information Criterion.
  - Out-of-sample behavior: largely unaffected regardless of model used.

### Interpretation and policy-relevant findings on residential lending and macro-prudential measures
- Key contrasts and inferences:
  - Residential loans evolution is econometrically stable, contrasting with house-price behavior which shows a structural shift since 2010.
  - No evidence that recent higher house-price growth is due to changes in credit policies specific to the mortgage market: a mortgage-specific easing would have produced a structural break with residential loans growth permanently above the predictor path starting Q3 2010.
- Macro-prudential policies:
  - No direct evidence that macro-prudential policies changed dynamics of house prices or aggregate residential loans.
  - Authorities’ objective: change composition of lending (reduce "speculative" lending, favor "non-speculative" investors), not necessarily reduce lending volume.
  - Evidence of policy effect on composition: growth rate of individuals with multiple housing accounts slowed to 2.3 percent in June 2012, from 14.3 percent in December 2010.
  - No evident sign that macro-prudential policies have led to a slowdown in house-price growth to date.
  - Interpretation: measures may have encouraged a more cautious approach to lending, "shutting the stable door before the horse bolted."

### Conclusions and data needs
- Stylized facts:
  - High house-price growth recorded since 2010; since Q3 2011, annual growth rate at least 10 percent.
  - These rates are historical highs for Malaysia, though below some neighboring countries' recent rates.
- Decoupling:
  - Since second half of 2010, house-price growth has decoupled from its structural relation with the predictor constructed from historical data; this decoupling remains unexplained and requires further investigation.
- Implications:
  - Identifying the source(s) of the shift in house-price dynamics is crucial to determine whether growth is driven by harmful market distortions and whether targeted corrective actions are needed.
  - No evidence that mortgage-lending practices or macro-prudential measures explain the high house-price growth observed so far.
- Recommended enhancements in data collection:
  - Collect granular micro-data including:
    - House ownership by income group.
    - Collateral values.
    - Refinancing facilities taken by house buyers, especially for "equity withdrawal" purposes.
  - Such data would aid analysis of systemic risk and design/implementation of macro-prudential policies.

*Source: _cr1499 - 15.      Of a somewhat different nature is the decision to exclude the supply of housing*

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_Source: https://www.imf.org/-/media/websites/imf/imported-full-text-pdf/external/pubs/ft/scr/2014/_cr1499.pdf_
