- Type of survey: continuous and monthly.
- Base Year: 2015.
- Reference period of the weightings: The year prior to the current one.
- Population scope: industrial establishments.
- Sample size: approximately 3,800 industrial establishments and 1,700 items for the IPRIX; approximately 4,800 establishments and 2,100 products for the IPRIM.
- Number of observations: approximately 14,000 prices each month en el IPRIX and 18.000 en el IPRIM.
- Data collection: monthly, prices in force the 15th of each month.
- General calculation method: Linked Laspeyres.
- Collection method: nternet (IRIA system), e-mail, fax, telephone and postal mail.
Methodology documents, questionnaires, classifications...