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House price measurement: Recent progress

From Global Housing Watch Newsletter: January 2017

 

This post is written by Niall O’Hanlon. Mr. O’Hanlon joined the IMF in 2015 as a senior economist in the Real Sector Division of the IMF’s Statistics Department. Prior to joining the IMF, Mr. O’Hanlon was Head of Prices Division at the Central Statistics Office Ireland (CSO). During his 14-year career at the CSO he introduced a number of new statistical products including the Residential Property Price Index (RPPI) and the Services Producer Price Index (SPPI).

 

More countries are now compiling house price indexes

Since the global financial crisis there has been significant progress internationally on the measurement of house prices. When the BIS first published its database of residential property price indexes in 2010, 37 countries were included. Today it covers 57 countries, including 18 of the G-20 countries and all of the EU member states.

A 2009 Report to the G-20 Finance Ministers on the Financial Crisis and Information Gaps identified data on the stock of dwellings, the associated price levels and their changes over time as critical ingredients for financial stability policy analysis. In 2013 the Handbook on Residential Property Price Indices (RPPIs) was published by Eurostat to provide guidance and identify best practices so as to help improve availability and cross-country comparability of house price indexes. These have been important milestones in the progress of house price measurement globally. The Global Housing Watch is also an important initiative in that it provides a platform for analysis of housing market developments worldwide.

Greater availability of indexes has helped policy makers monitor excessive house price growth and take a mix of monetary policy, micro prudential and macro prudential measures. Housing markets are receiving increasing attention and there are renewed concerns that rising prices may pose risks to some economies. For example, in November 2016, the European Systemic Risk Board issued warnings to eight EU countries on real estate vulnerabilities which pose significant systemic risks.

The map below shows that official indexes are available for 62 countries. The combined GDP of these countries accounts for around 90 percent of global GDP, making the coverage useful for multilateral surveillance. However, indexes are available for only about 30 percent of countries in the world (see map). So much more progress is needed to support policy needs in many countries. The IMF Statistics Department held its first seminar on house price index compilation in 2015. Since then, compilers from national statistical offices and central banks of 50 countries have participated. The seminars provide an overview of data sources and methods for compiling RPPIs, highlight the trade-offs involved in selecting a data source and address strategies for the longer-run development of data sources (see chart).

Fig1

 

Data are key

The standard approach to compiling the consumer price index—comparing the prices of exactly the same products—cannot be employed since no two properties are exactly the same and we can only observe the price of property when it is transacted. Therefore, compilers must remove the impact of the changes in mix of properties sold (referred to as mix-adjustment) leaving a measure of “pure price change.” There are several techniques for mix-adjustment, varying in terms of sophistication and effectiveness. The more effective techniques require detailed information on the physical and locational characteristics of property (for example the property type and size, or characteristics of the neighborhood) as well as the transaction details (price and date).

Securing access to data is often the biggest challenge—particularly in low income countries with less developed administrative systems. The comprehensive data on property characteristics and locational attributes necessary for adequate mix-adjustment might be unavailable. Data limitations can also mean that indexes do not have full coverage of the market. For example, using only bank data will mean that compilers miss cash based transactions.

In response, compilers are looking beyond single administrative data sources towards combining different data sets to facilitate sophisticated mix-adjustment techniques. For example, the Central Statistics Office of Ireland recently switched from using mortgage data to a combination of taxation (transaction), building energy rating (physical characteristics) and census of population small area data (relative affluence or disadvantage of a neighborhood) to give a more complete and accurate picture of house price change. Compilers also are using big data sources, such as real estate web portals, for more timely and comprehensive data. Ultimately, the choice of source data will require trade-offs, in respect of comprehensiveness, coverage and timeliness.

 

Fig2

 

House prices are key indicators of household wealth

House prices matter for macro prudential purposes, as well as for socio-demographics. Buying a house will be the biggest single spending decision many households make and that decision should be guided by good information on the rate of price change and how current prices compare to longer term trends. Progress also has been made in respect of other housing related social indicators that are emerging. For example, the OECD produces price-to-income and price-to-rent measures for selected countries. These indicators of long run over or undervaluation relative to long term averages help to provide a more complete picture of the developments in the housing market.

Housing market research, much of it by private sector index compilers, is increasingly concerned with measures of inequality and exclusion. For example, Zillow recently published a study on the widening gap between the bottom and top of the US housing market. More broadly there is interest in how house prices impact household balance sheets and, in turn, on consumption by households. Ownership by gender, age, cultural background or income also may add important policy dimensions.

For many countries the new challenge is to move beyond just compiling house price indexes and to address the need for a more complete picture of the housing market and its impact on society.

From Global Housing Watch Newsletter: January 2017

 

This post is written by Niall O’Hanlon. Mr. O’Hanlon joined the IMF in 2015 as a senior economist in the Real Sector Division of the IMF’s Statistics Department. Prior to joining the IMF, Mr. O’Hanlon was Head of Prices Division at the Central Statistics Office Ireland (CSO). During his 14-year career at the CSO he introduced a number of new statistical products including the Residential Property Price Index (RPPI) and the Services Producer Price Index (SPPI).

Read the full article…

Posted by at 7:00 PM

Labels: Global Housing Watch

Toward Inclusive Globalization

Jonathan Ostry writes: “Economists tend to be advocates of globalization. The benefits of specialization and exchange are evident within a country’s borders: no one would seriously suggest that impeding the flows of goods, labour and capital within a country would raise national welfare. Globalization extends the possibilities of specialization beyond national boundaries. Recent work suggests, however, that while globalization is great in theory, vigilance is needed about it in practice.

The three main components of globalization – goods, labour, and capital – are associated with different costs and benefits. The preponderance of the evidence suggests that trade has positive impacts on aggregate incomes, but many people do lose out. The economic benefits of migration are very high, but it too has distributional consequences and impacts on social cohesion.

The case for globalization is weakest when it comes to free flows of capital across national boundaries (“financial globalization”). The growth benefits claimed for these policies have proven elusive. At the same time, they are associated with an increase in inequality. Hence they pose a dilemma for proponents of globalization.

There are also interactions between financial globalization and other policies. In particular, financial globalization binds the conduct of domestic fiscal policy and leads to greater consolidation, which also has distributional effects.”

Continue reading here.

jostry

Jonathan Ostry

Jonathan Ostry writes: “Economists tend to be advocates of globalization. The benefits of specialization and exchange are evident within a country’s borders: no one would seriously suggest that impeding the flows of goods, labour and capital within a country would raise national welfare. Globalization extends the possibilities of specialization beyond national boundaries. Recent work suggests, however, that while globalization is great in theory, vigilance is needed about it in practice.

The three main components of globalization –

Read the full article…

Posted by at 8:57 AM

Labels: Inclusive Growth

IMF WEO Forecasts: A Shifting Economic Landscape

The latest World Economic Outlook (WEO) Update says that: “After a lackluster outturn in 2016, economic activity is projected to pick up pace in 2017 and 2018, especially in emerging market and developing economies. However, there is a wide dispersion of possible outcomes around the projections, given uncertainty surrounding the policy stance of the incoming U.S. administration and its global ramifications. The assumptions underpinning the forecast should be more specific by the time of the April 2017 World Economic Outlook, as more clarity emerges on U.S. policies and their implications for the global economy.”

Continue reading here.

The latest World Economic Outlook (WEO) Update says that: “After a lackluster outturn in 2016, economic activity is projected to pick up pace in 2017 and 2018, especially in emerging market and developing economies. However, there is a wide dispersion of possible outcomes around the projections, given uncertainty surrounding the policy stance of the incoming U.S. administration and its global ramifications. The assumptions underpinning the forecast should be more specific by the time of the April 2017 World Economic Outlook,

Read the full article…

Posted by at 8:50 PM

Labels: Forecasting Forum

An Economy for the 99%

According to a new report by Oxfam: “Eight men own the same wealth as the 3.6 billion people who make up the poorest half of humanity [The 8 men are Bill Gates, Amancio Ortega, Warren Buffet, Carlos Slim, Jeff Bezos, Mark Zuckerberg, Larry Ellison, and Michael Bloomberg] (…). Oxfam’s report, ‘An economy for the 99 percent’, shows that the gap between rich and poor is far greater than had been feared. It details how big business and the super-rich are fuelling the inequality crisis by dodging taxes, driving down wages and using their power to influence politics. It calls for a fundamental change in the way we manage our economies so that they work for all people, and not just a fortunate few. New and better data on the distribution of global wealth – particularly in India and China – indicates that the poorest half of the world has less wealth than had been previously thought.  Had this new data been available last year, it would have shown that nine billionaires owned the same wealth as the poorest half of the planet, and not 62, as Oxfam calculated at the time.” See the press release here.

According to a new report by Oxfam: “Eight men own the same wealth as the 3.6 billion people who make up the poorest half of humanity [The 8 men are Bill Gates, Amancio Ortega, Warren Buffet, Carlos Slim, Jeff Bezos, Mark Zuckerberg, Larry Ellison, and Michael Bloomberg] (…). Oxfam’s report, ‘An economy for the 99 percent’, shows that the gap between rich and poor is far greater than had been feared.

Read the full article…

Posted by at 5:48 AM

Labels: Inclusive Growth

IMF Executive Board Discusses Macroeconomic Prospects and Challenges in LIDCs

From the IMF Executive Board Discussion:

The sharp realignment of global commodity prices has been a major setback for commodity-exporting LIDCs, while generally benefitting others. As a result, growth prospects have become increasingly divergent.

In an era of subdued commodity prices, prospects for commodity exporters are heavily influenced by how successfully they can implement policies to confront high fiscal deficits, reduced foreign reserves, and elevated economic and financial stress.

The quantity, quality and accessibility of infrastructure in LIDCs is considerably lower than in other economies and enhancing the role of the private sector in its delivery is a priority for many.

Continue reading here.

From the IMF Executive Board Discussion:

The sharp realignment of global commodity prices has been a major setback for commodity-exporting LIDCs, while generally benefitting others. As a result, growth prospects have become increasingly divergent.

In an era of subdued commodity prices, prospects for commodity exporters are heavily influenced by how successfully they can implement policies to confront high fiscal deficits, reduced foreign reserves, and elevated economic and financial stress.

The quantity,

Read the full article…

Posted by at 12:19 PM

Labels: Inclusive Growth

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