लेखक: Paul A. Smith

Robert O’Neill is Lecturer at the University of Huddersfield, UK, where he has been since 2013. Previously he worked at the Office for National Statistics working primarily in the area of index numbers methodology. His current role includes both research and teaching related to quantitative economics, which includes teaching students at various levels. Jeff Ralph has worked for the Office for National Statistics, UK, for 13 years. Much of that time has been spent working on price statistics and the measurement of inflation; this has included research and teaching. Jeff has been joint author on a number of research papers and lead author on a recent student textbook on index numbers. Paul A. Smith is Associate Professor in Official Statistics, University of Southampton, UK. He worked for 25 years in the Office for National Statistics, UK, where he gained extensive experience in the theory and practice of sample surveys applied to businesses, households and the population census. He undertakes consultancy and research in topics related to official statistics, and coordinates the MSc in Official Statistics.