UNECE/ILO meeting on CPI Geneva, Switzerland 10-12 May 2009 Lee Everts Housing in the CPI: The South African Experience and Concerns.

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Presentation transcript:

UNECE/ILO meeting on CPI Geneva, Switzerland May 2009 Lee Everts Housing in the CPI: The South African Experience and Concerns

Overview In 2008, there was a major overhaul of the Consumer Price Index (CPI) in South Africa. One of the components under review was housing. Prior to 2008, Statistics South Africa (Stats SA) used interest rates on mortgage bonds to calculate this index, which was not inline with accepted international methods. The Owners’ Equivalent Rent (OER) approach is currently applied in South Africa. Two issues: Transition to OER and Informal housing

Transition to OER Why was the approach selected? –The lack of availability of data in South Africa to calculate these methods accurately prompted Stats SA to introduce OER –Relatively easy to calculate –Stats SA has a rental survey

Transition to OER Income and expenditure survey The survey estimates the ‘rent’ of owner occupiers by asking households three questions regarding housing costs. –1. Monthly mortgage payment for the last month of which – Capital of which – Interest –2. If you were to rent this dwelling, how much would you pay for it per month? –3. What is the value of the dwelling?

Transition to OER Income and expenditure survey Respondents had difficulty with the first two questions but were able to provide a reliable estimate of the market value of their property. The value in question was turned into a rental equivalent by a firm of property economists who conduct regular surveys for the property market and of rentals in particular. The value was adjusted by a rental yield for formal housing in order to obtain the rental equivalent.

Transition to OER In investigating whether the OER approach would be more or less sufficient, Stats SA considered the following criteria: –Are at least 25% of all dwellings in the country rented? –Is the rental market large enough for there to be types and sizes of properties in the rental market which are comparable to those in owner-occupied housing? –Is the rental market controlled or are rents subsidised by the authorities or are market prices governed in some other way? –Are more than half of the rented dwellings not occupied by foreigners or by employees paying low rents (subsidised)? –Are rented dwellings distributed over all parts of the country and –Is there a survey of accommodation rentals?

Transition to OER Current rental survey Stats SA’s quarterly rental survey tracks actual rental values for specific dwellings in each relevant geographic area, for houses, flats, and townhouses. In order to obtain data for rentals and OER, Stats SA collects rental data using Letting agents (usually Real Estate Agents) as the respondents. Collect approximately quotes per quarter

Transition to OER Current rental survey While the results of the survey are of a high standard, it does have certain limitations. These include: –Difficulty in obtaining prices excluding water, electricity, levies and other service costs, therefore for most of the prices these are included and the index for OER is calculated with prices including these additional costs. –The number of rental units for which price data is collected in the CPI is lower than ideal. Stats SA would like to collect at least price quotations per quarter. –Respondent fatigue.

Future improvements Measurement: Over the next five to ten years will pilot of the net acquisitions and user cost approaches. With the last reweighting in 2008, Stats SA specifically encountered problems in estimating the value of housing stock of the country. This problem will hopefully be solved by the 2011 population census.

Future improvements Rental survey Increase the sample to price quotations during 2010 Collect data on prices for water, electricity, levies and other costs, so that a pure rent can be calculated (by 2012). Include rentals on other housing types (within the next 5 – 10 years)

Informal housing in the CPI The CPI only measures formal housing and excludes all other types of housing, mainly due to lack of data on the informal housing market and the fact that the CPI is driven by expenditure. According to the population census of 2001, approximately 1,8 million households live in informal dwellings in South Africa (15% of all households)

Informal housing in the CPI This implies that only 72% and 66% of owned and rented housing respectively is covered in the CPI. Informal housing makes up 10% of the owned market and 18% of the rental market, and this type of housing is growing rapidly. From the 1996 to 2001 census, informal housing increased by 26%

Informal housing in the CPI The problem –Given South Africa’s political history, the measurement of products in the CPI should be as representative as possible of the population’s expenditure. –CPI publishes a very low expenditure index, and owner-occupied housing and rentals combined has a weight of approximately 8% in this index. –The very low expenditure index includes households that spend up to R per annum, which is approximately R1 215 per month (roughly US$150).

Informal housing in the CPI The weight of the very low expenditure group out of the CPI all urban areas are 1,78%. The weight for owner-occupied housing and rentals for the very low expenditure index is insignificant in the overall CPI, with a weight of just 0,15%. For the very low expenditure index, the weight for owner-occupied housing and rentals are respectively 4,65% and 3,97%

Informal housing in the CPI The dilemma is how to measure informal housing –No organised market exists for informal housing. –No reliable estimates exist about the cost of this type of housing. –It is difficult to measure in the context of a user cost, net acquisitions approach and rental equivalence approach. However, if a rental survey is run one might be able to get a good estimate of rentals. –Movements of informal settlements from one area to another might pose a problem in tracking the prices of this type of housing.

Informal housing in the CPI How to address this issue: –A survey by Stats SA –Obtain estimates of the informal housing sector from the Department of Human Settlements (Department of Housing) or obtain data from provincial administrations.

Informal housing in the CPI Regular survey of informal dwellings –CPI division would have to run this survey –Fieldworkers would have to visit informal settlements to obtain price and other required data –Concerns: If a net acquisitions approach is adopted, the fieldworkers should be very familiar with the area For the net acquisitions approach to be used, land will be excluded If a rental equivalence approach is adopted, there might be an issue with informal settlements moving from one area to the other, so tracking informal dwellings might be problematic if fieldworkers are not informed.

Informal housing in the CPI Building materials proxy –The second option is obtaining data from the Department of Human Settlements (DHS). –DHS would be able to provide data on the number of dwellings per informal settlement. –Since most informal housing (shacks) is made of corrugated steel, the prices of the steel may be used as a proxy for prices. –Drawbacks: –Data for the number of dwellings may not be up to date from the DHS. Corrugated steel might not be a reliable proxy. For the net acquisitions approach to be used, land will be excluded The characteristics of the dwelling unit will be unknown

Conclusion Current measure of housing prices for very low expenditure groups is inadequate We need to provide norms internationally to provide guidelines, to counties who face this challenge where large numbers of people live in informal housing