This support document was produced by the authors based on their research for the report "Approaches to Measuring and Understanding Employer Training Expenditure," and is an added resource for further information. As outlined in the report, the research for this study was based on interviews and case studies, analysis of other research and a range of statistical materials. The form of the interviews and case studies is outlined in section A. These cover retail trade, construction, manufacturing, and community services and health. A report on the case studies is included in section B of this document. (Contains 3 tables.) [For the full report, see ED503373.]