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- Sat Apr 12, 2008 7:06 am
- Forum: SD Mailing List Archive
- Topic: QUERY Meaning of Stock/Level
- Replies: 46
- Views: 38676
QUERY Meaning of Stock/Level
Posted by ""David W. Peterson"" <david@ventanasystems.com> Here are four observations on state variables / stocks / levels: 1) Contrary to what some have implied, it is actually difficult and subtle to decide what is a stock and what isn't. Outside the context of a specific model...