Historical clue formulations

• Cost-efficient — 2025-01-11
• Cost-effective — 2021-10-02
• Cost-effective — 2017-03-10
• One of the "E's" in E.E.C. — 2016-04-19
• Like some forecasts — 2016-02-27
• Financial — 2002-01-05
• Like some forecasts — 2001-03-24
• Business-related — 1997-10-14
• Kind of indicator — 1996-01-30