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What does first principles mean?

MBB
New answer on Aug 03, 2021
3 Answers
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Anonymous A asked on Aug 02, 2021

What is first principles thinking? What's an example?

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Agrim
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updated an answer on Aug 03, 2021
BCG Dubai Project Leader | Learn to think like a Consultant | Free personalised prep plan | 6+ years in Consulting

First Principles is a form of problem solving where you take your end objective and work backwards with a fundamental logic to solve the problem. Its an effective way to break down a complex problem into smaller & simpler components.

Here is a common example:

  • Grow a company:
  • This can be done either organically or inorganically
  • If you choose inorganic then the idea will be to evaluate M&A targets
  • If you choose organic then the idea will be to grow revenue
  • Revenue growth can happen by selling more of the same product or same product with higher price
  • If you want to sell more of the same product - you can sell it to your existing customers or new customers
  • If you want to sell to new customers they can either be in the same geography or a new geography
  • etc. etc.
  • keeping chopping at it till you reach the end of the tree

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Anonymous B updated the answer on Aug 03, 2021

first principle is a basic proposition or assumption that cannot be deduced from any other proposition or assumption. It is something that is axiomatic. 

An example of a first principle (in consulting) is that more profit = better. 

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Ian
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replied on Aug 03, 2021
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate

Hi there,

Can you provide us a bit of context here? Where are you seeing this being referenced?

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Agrim

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