Forensic engagements that involve determining lost profits or other economic damages often require a “time series” of economic and market data. When the lost profits or other economic damages engagement involves comparing international companies, multi-country economic data, and international market data, the challenges in locating meaningful data become especially difficult. In this article, the authors share how a time series analysis was used in an engagement, resulting from a breach of a franchise in a European Union (EU) country. To perform the time series analysis, the authors needed to gather multi-country economic data to determine the alleged lost profits and/or…