Definition: Probability proportional to size sampling (PPS)

Prices

Sampling procedure whereby each unit in the universe has a probability of selection proportional to the size of some known relevant variable. In the case of establishments, size is usually defined in terms of employment or output ("Eurostat-OECD Methodological Guide for Developing Producer Price Indices for Services").

A sampling procedure whereby each unit in the universe has a probability of selection proportional to the size of some known variable, such as the value of the sales of an outlet ("Consumer Price Index Manual: Theory and Practice").
Source:
Eurostat, Organization for Economic Cooperation and Development (OECD), "Eurostat-OECD Methodological Guide for Developing Producer Price Indices for Services (Second Edition)", Luxembourg, Paris, 2014
Created:
Updated:

Search box

Search