Estimating Food Price Inflation from Partial Surveys:
The traditional consumer price index is often produced at an aggregate level, using data from few, highly urbanized, areas. As such, it poorly describes price trends in rural or poverty-stricken areas, where large populations may reside in fragile situations. Traditional price data collection also f...
Gespeichert in:
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Washington, D.C
The World Bank
2021
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| Schlagworte: | |
| Online-Zugang: | Volltext |
| Zusammenfassung: | The traditional consumer price index is often produced at an aggregate level, using data from few, highly urbanized, areas. As such, it poorly describes price trends in rural or poverty-stricken areas, where large populations may reside in fragile situations. Traditional price data collection also follows a deliberate sampling and measurement process that is not well suited for monitoring during crisis situations, when price stability may deteriorate rapidly. To gain real-time insights beyond what can be formally measured by traditional methods, this paper develops a machine-learning approach for imputation of ongoing subnational price surveys. The aim is to monitor inflation at the market level, relying only on incomplete and intermittent survey data. The capabilities are highlighted using World Food Programme surveys in 25 fragile and conflict-affected countries where real-time monthly food price data are not publicly available from official sources. The results are made available as a data set that covers more than 1200 markets and 43 food types. The local statistics provide a new granular view on important inflation events, including the World Food Price Crisis of 2007-08 and the surge in global inflation following the 2020 pandemic. The paper finds that imputations often achieve accuracy similar to direct measurement of prices. The estimates may provide new opportunities to investigate local price dynamics in markets where prices are sensitive to localized shocks and traditional data are not available |
| Beschreibung: | 1 Online-Ressource (42 Seiten) |
| DOI: | 10.1596/1813-9450-9886 |
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| 520 | 3 | |a The traditional consumer price index is often produced at an aggregate level, using data from few, highly urbanized, areas. As such, it poorly describes price trends in rural or poverty-stricken areas, where large populations may reside in fragile situations. Traditional price data collection also follows a deliberate sampling and measurement process that is not well suited for monitoring during crisis situations, when price stability may deteriorate rapidly. To gain real-time insights beyond what can be formally measured by traditional methods, this paper develops a machine-learning approach for imputation of ongoing subnational price surveys. The aim is to monitor inflation at the market level, relying only on incomplete and intermittent survey data. The capabilities are highlighted using World Food Programme surveys in 25 fragile and conflict-affected countries where real-time monthly food price data are not publicly available from official sources. The results are made available as a data set that covers more than 1200 markets and 43 food types. The local statistics provide a new granular view on important inflation events, including the World Food Price Crisis of 2007-08 and the surge in global inflation following the 2020 pandemic. The paper finds that imputations often achieve accuracy similar to direct measurement of prices. The estimates may provide new opportunities to investigate local price dynamics in markets where prices are sensitive to localized shocks and traditional data are not available | |
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| indexdate | 2024-10-12T04:03:00Z |
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| language | English |
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| physical | 1 Online-Ressource (42 Seiten) |
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| publishDate | 2021 |
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| publisher | The World Bank |
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| spellingShingle | Andree, Bo Pieter Johannes Estimating Food Price Inflation from Partial Surveys Agriculture Financial Stability Food Prices Food Security Inflation Machine Learning Macroeconomics and Economic Growth |
| title | Estimating Food Price Inflation from Partial Surveys |
| title_auth | Estimating Food Price Inflation from Partial Surveys |
| title_exact_search | Estimating Food Price Inflation from Partial Surveys |
| title_exact_search_txtP | Estimating Food Price Inflation from Partial Surveys |
| title_full | Estimating Food Price Inflation from Partial Surveys Bo Pieter Johannes Andree |
| title_fullStr | Estimating Food Price Inflation from Partial Surveys Bo Pieter Johannes Andree |
| title_full_unstemmed | Estimating Food Price Inflation from Partial Surveys Bo Pieter Johannes Andree |
| title_short | Estimating Food Price Inflation from Partial Surveys |
| title_sort | estimating food price inflation from partial surveys |
| topic | Agriculture Financial Stability Food Prices Food Security Inflation Machine Learning Macroeconomics and Economic Growth |
| topic_facet | Agriculture Financial Stability Food Prices Food Security Inflation Machine Learning Macroeconomics and Economic Growth |
| url | https://doi.org/10.1596/1813-9450-9886 |
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