Definition: Conditional cost of living index

Consumer Price Index

A conditional cost of living index measures the change in the cost of maintaining a given utility level, or standard of living, on the assumption that all the factors, except the prices covered by the index, that influence the consumer’s utility or welfare (e.g., the state of the physical environment) remain constant.
International Labour Organization (ILO), International Monetary Fund (IMF), Organisation for Economic Co-operation and Development (OECD), Statistical Office of the European Communities (Eurostat), United Nations (UNECE), The World Bank, Consumer Price Index Manual: Theory and Practice, Geneva, August 2004

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