RT Journal Article SR Electronic T1 How Businesses Buy Advertising Agency Services JF Journal of Advertising Research JO J Advert Res FD WARC SP 86 OP 95 DO 10.2501/JAR-43-1-86-95 VO 43 IS 1 A1 Woonbong Na A1 Roger Marshall A1 Youngseok Son YR 2003 UL http://www.journalofadvertisingresearch.com/content/43/1/86.abstract AB It is clear from the literature that clients the world over expect much the same services of their advertising agency, regardless of industry type or company size - thus it is very difficult for agencies to segment their markets in a meaningful way. This research describes a field test of the idea that clients' market orientation provides such a segmentation base. When selecting an advertising agency, market-driven companies exhibit quite different organizational behavior and hold different evaluative criteria than do less market-driven companies.