This article is the fourth in a series of blogs on Cost of Delay (CoD) and Weighted Shortest Job First (WSJF).
Note: terms in boldface are defined in the Glossary of Essential Kanban Condensedwhich is available here. To get the background to this piece check out these previous posts:
Part 1: Understanding Cost of Delay and its Use in Kanban
Part 2: Delay Cost and Urgency Profiles
Part 3: How to Calculate WSJF
Part 4: WSJF - Should you divide by Lead Time or Size? (this article)
Part 5: A "Qualitative" Formula for WSJF?
Part 6: Time is an Asset - Delay is a CostIn Part 3 we established why the factor used for prioritising work items is urgency divided by the development delay (U/D). The item to be done first should have the highest value for this term (sometimes referred to as the "wisjif" or CD3). Urgency is the rate of decay of the business value (the Delay Cost per week) and we must estimate both the…