Purchasing Power Parities and Prices

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Price Indicators (CPI and PPI)
OECD, Eurostat Programme description
Schedule ¹		Data and methodology			Contact
Transmission date	Submission date	Questionnaire²	Methodology	Data frequency
No regular questionnaire transmission. Questionnaire is sent to respondent only if modifications occur.	On the 20th to 26th of each month	Questionnaire	COICOP Guidelines 1 Guidelines 2	Monthly	STD.Prices@oecd.org

Purchasing Power Parities
OECD, Eurostat, UNECE, WB Programme description
Schedule ¹		Data and methodology			Contact
Transmission date	Submission date	Questionnaire²	Methodology	Data frequency
No regular date exists (every three years)	No regular date exists (every three years)	No formal questionnaire exists.	COICOP Guidelines	Annual	ppp.contact@oecd.org
Note: The OECD PPP propramme is part of the joint 'Eurostat-OECD PPP Programme'. PPPs calculation rounds take place on a three-year basis and countries participating in the programme receive a unique and tailored data request, based on a specific and detailed list of price statistics required.

1.	When available, dates and timeliness requirements are only indicative and may be subject to change.
2.	As often as possible, the most up-to-date version of the questionnaire has been included in this list, however, there can be slight variations from version to version. In some cases, data and metadata are collected via Web Queries, online platforms and/or via SDMX and not via a questionnaire. In these cases, a list of data series requirements or classifications are made available.

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