The consumer price index (CPI) plays a critical role in measuring inflation. Recent inflation trends, however, have raised questions about its accuracy. This paper evaluates several of these critiques, including that the CPI fails to keep up with rapid changes in consumer expenditure patterns;...

Der vorliegende IW-Wohnindex untersucht die Entwicklung der Kauf- und Mietpreise für Wohnimmobilien in Deutschland. Der Kurzreport erscheint vierteljährig. Auf der Basis von mehreren Millionen Wohnimmobilieninseraten werden Ergebnisse eines hedonischen Preisindex veröffentlicht, nähere...

The FDZ Ruhr at RWI offers price indices for apartments and houses (rentals and sales) in Germany, commencing in 2008. The price indices are derived from the RWI-GEO-RED real estate dataset, which integrates real estate listings from ImmoScout24. Three types of hedonic regressions are performed...

This Staff Memo presents an indicator used for monitoring and forecasting inflation at Norges Bank. The indicator is designed to capture international price impulses that impact the input costs of domestic firms. Our analysis indicates that the marked increase in the cost of imported...

The FDZ Ruhr at RWI provides price indices for apartments and houses (rentals and sales) in Germany starting in 2008. The price indices are based on the real estate dataset RWI-GEO-RED, which combines real estate listings from ImmoScout24. We perform three types of hedonic regressions to allow...

The FDZ Ruhr provides a dataset on real estate advertisements in Germany from 2007 onwards. The data are based on information from the internet platform ImmobilienScout24 and covers both apartments and houses for sale and for rent. The data are available for scientific research only. The...

This study addresses a significant gap in the existing literature by conducting a comprehensive systematic review of the art market over the past 50 years, utilizing big data analysis and bibliometric methods. Through descriptive statistical analysis, we gained insights into research trends,...

The FDZ Ruhr provides a dataset on real estate advertisements in Germany from 2007 onwards. The data are based on information from the internet platform ImmobilienScout24 and covers both apartments and houses for sale and for rent. The data are available for scientific research only. The...

The FDZ Ruhr provides two campus files on real estate advertisements in Germany: the Panel Campus File (RWI-GEO-RED Panel) and a Cross-Sectional Campus File (RWI-GEO-RED Cross-Section). The datasets are extractions of the Scientific Use Files of RWI-GEO-RED. The Panel File covers the 15 largest...

The FDZ Ruhr at RWI provides price indices for apartments and houses (rentals and sales) in Germany starting in 2008. The price indices are based on the real estate dataset RWI-GEO-RED, which combines real estate listings from ImmoScout24. We perform three types of hedonic regressions to allow...

The FDZ Ruhr at RWI offers price indices for apartments and houses (rentals and sales) in Germany, commencing in 2008. The price indices are derived from the RWI-GEO-RED real estate dataset, which integrates real estate listings from ImmoScout24. Three types of hedonic regressions are performed...

The COVID-19 pandemic has caused a substantial increase in house price growth and its seasonal amplitude. This change has presented challenges to traditional seasonal adjustment methods, such as the U.S. Census Bureau's X-12 method. This study tests for residual seasonality in three major...

Background Inflation is the industrious and non-stop ascent in the overall prices of any given commodity in an economy. During the global food crisis, Ethiopia experienced an unprecedented increase in inflation ranked the highest in Africa. It is among the most macroeconomic variable described...

In Turkey, the housing market is affected by various factors, and housing prices are shaped according to current conditions. In this study, the relationship between the housing price index (HPI) and economic variables (inflation and exchange rate) in Turkey was investigated. We used a 10-year...

The HWWI Commodity Price Index, which aims at reflecting price developments of raw materials imported by highly industrialized countries, dates back to the 1950s. This paper explains the calculation of the index at the example of its latest revision, which became effective on 1st September 2023....

Financial and operational supply chain risks are often managed independently, by managers in different business units and with widely-varying viewpoints. Yet, differences in incentives often result in a mismatch in priorities and processes. In 2008, BMW established the Raw Material Management...

Accurate, real-time measurements of price index changes using electronic records are essential for tracking inflation and productivity in today's economic environment. We develop empirical hedonic models that can process large amounts of unstructured product data (text, images, prices,...

A wide variety of retailers (supermarkets, home electronics, Internet shops, etc.) provide scanner data containing information at the level of the barcode, e.g. the Global Trade Item Number (GTIN). As scanner data provide complete transaction information, we may use the expenditure shares of...

This Technical Assistance report on Cabo Verde explores Consumer Price Index (CPI). Current CPI weights are based on expenditure data collected during the 2015 household income and expenditure survey. These data are out of date and there is urgent need to update CPI weights. Overall, the methods...

This technical assistance report on Philippines provides details about the Property Price Index mission. The authorities intend to improve the methods used for the Residential Real Estate Price Index and publish the Commercial Property Price Index (land only) for the first time. Some further...

The FDZ Ruhr provides a dataset on real estate advertisements in Germany from 2007 onwards. The data are based on information from the internet platform ImmobilienScout24 and covers both apartments and houses for sale and for rent. The data are available for scientific research only. The...

The FDZ Ruhr at RWI provides price indices for apartments and houses (rentals and sales) in Germany starting in 2008. The price indices are based on the real estate dataset RWI-GEO-RED, which combines real estate listings from ImmoScout24. We perform three types of hedonic regressions to allow...