Senior Economist
Posted Sep 28, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a forecast you made that turned out wrong. What did you learn?
What they are checking: Whether they can reflect honestly on misses and improve their models instead of defending them.
Tell me about a time your analysis changed a business decision.
What they are checking: Whether their work has had real influence rather than just producing reports no one used.
How do you make an economic report executive-ready?
What they are checking: Whether they can lead with the decision-relevant insight instead of the methodology.
What would you do
A senior leader wants one number for next year's market growth. How do you present uncertainty without losing them?
What they are checking: Whether they can communicate ranges and scenarios in a way executives can actually use.
The commercial team thinks a region is hot, but your data says otherwise. How do you handle that?
What they are checking: Whether they can challenge internal assumptions with evidence while keeping relationships intact.
About the work
How would you build a demand forecast for water management services tied to hyperscale data center buildout?
What they are checking: Whether they can link external market signals to a specific business line in a defensible way.
Which leading indicators would you watch to see AI infrastructure spending slow before it shows in our sales?
What they are checking: Whether they know where early signals live, like hyperscaler capex guidance and power interconnection queues.
How would you factor energy and water availability constraints into a regional investment outlook?
What they are checking: Whether they understand that physical limits can shape where data centers and fabs get built.
How would you think about semiconductor capacity expansion differently from data center expansion?
What they are checking: Whether they understand that these markets have different investment cycles and drivers.
What data sources would you rely on to track capital spending trends in high-tech industries?
What they are checking: Whether they know credible sources and understand the limits of each one.
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Practice this out loudThe full job description
As published by Ecolab.