(Select 3) Based on the work of Don Reinertsen, SAFe denotes five primary economic factors that can be used to consider the economic perspective of a particular investment. From the list below…

Question

Options

• ALead time
• BValue stream budget
• CReturn on Investment (ROI)
• DRisk
• EDevelopment expense

• A
  88% (35)
• B
  10% (4)
• C
  3% (1)

Explanation

Based on Don Reinertsen's lean economics, SAFe identifies five primary economic factors shaping investment decisions: lead time, development expense, risk, value (business impact), and cost of delay. Options A (Lead time), D (Risk), and E (Development expense) are three of those five factors, directly reflecting the operational and financial dimensions Reinertsen uses to evaluate economic trade-offs in product development.

Why the distractors are wrong:

• B (Value stream budget) is a SAFe funding and governance mechanism - it describes how money is allocated to ARTs, not a primary economic factor in Reinertsen's model.
• C (ROI) is a derived financial metric that results from weighing the five factors; it is not one of the factors itself.

Memory tip: Notice that the two wrong answers (Budget, ROI) are accounting/output concepts - things you calculate or plan around. The correct answers are input variables you assess before and during development: how long will it take (Lead time), what could go wrong (Risk), and what will it cost to build (Development expense). If the choice sounds like a finance department report, it's probably not one of Reinertsen's five primary factors.

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