Where to find some good Profit , margin, Cost reduction,Operations efficiency case?

Guillaume asked on Nov 27, 2018
MBB Senior Industry hire for Supply chain and manufacturing, transformation and operations strategy

Hello i am experienced profesional who is doing interview with MBB. I would like to train so case more related to my area. Profit , margin, Cost reduction,Operations efficiency case

Thanks a lot

Cheerts

(edited)

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Andrea replied on Nov 27, 2018
Actually preparing for the first round of case interviews

Ciao Guillaume

I found a lot of good, profit / loss cases in the LBS case books. Especially in the one of 2012. Let me know if you have them. If not, I can share.

Cheers,

Andy

thanks a lot Andrea, sure could you it to me please? — Guillaume on Nov 28, 2018

Vlad replied on Nov 27, 2018
McKinsey / Accenture / Got all BIG3 offers / More than 300 real MBB cases / Harvard Business School
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Hi,

There are several types of operational cases that you may have:

1) Operational math problems. (e.g. Should we increase the speed of the elevator or just buy a second one? How should we reduce the queues? How should we increase the output of a factory?).

Structuring:

  • Usually, you have to look at the process (value chain). Even the most complicated systems have the inflows and outflows

The key concepts that you have to learn:

  • Capacity and utilization (both machine and people)
  • Cycle time, Throughput time, Little's Law
  • How the does lowest cycle time influence the production? (Lead time = cycle time of the slowest process)
  • How can we mitigate the bottlenecks with low cycle time? (Buffer, Parallel process, speeding up)

2) Cost cutting cases

Structuring:

  • What is the cost composition and what are the biggest costs
  • Benchmarking of the biggest costs to find the improvement potential
  • Process improvements to meet the benchmarks
  • Costs and benefits of the proposed initiatives

The key concepts that you have to learn:

  • Internal / external benchmarking
  • Idle time
  • Core processes (usually are optimized) and the supporting processes (usually are cut)
  • Math structures (Frequency of operations * time per operation)
  • Other useful structures (e.g. people - process - technology)

Feel free to reach me for further help with these cases.

Best

THks Vlad, could we have a quick chat? i am interested to hear from you — Guillaume on Nov 28, 2018

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