Template-Type: ReDIF-Paper 1.0 Author-Name: Arthur Grimes Author-X-Name-First: Arthur Author-X-Name-Last: Grimes Author-Email: arthur.grimes@motu.org.nz Author-Workplace-Name: Motu Economic and Public Policy Research Author-Name: David C. Maré Author-X-Name-First: David Author-X-Name-Last: Maré Author-Email: dave.mare@motu.org.nz Author-Workplace-Name: Motu Economic and Public Policy Research Author-Name: Melanie Morten Author-X-Name-First: Melanie Author-X-Name-Last: Morten Author-Email: melanie.morten@motu.org.nz Author-Workplace-Name: Motu Economic and Public Policy Research Title: Defining Areas: Linking Geographic Data in New Zealand Abstract: This paper develops a match quality statistic to quantify the trade-off between 'specificity' and 'completeness' when aggregating one regional aggregation to another. We apply this statistic to calculate the degree of mismatch between various regional aggregations for New Zealand using 1991 and 2001 Census Data. A program to calculate mismatch statistics is included as an appendix, as a Stata(r) ado file. Length: 50 pages Creation-Date: 2006-08 File-URL: https://motu-www.motu.org.nz/wpapers/06_07.pdf Number: 06_07 Classification-JEL: R1; C80 Keywords: Match quality; Geographic Aggregation Handle: RePEc:mtu:wpaper:06_07