Electronic Equipment Manufacturer

This sample case interview uses the Market Sizing Framework in the LEK style of case study. Use it to prep for upcoming interviews – dive in now.

Case Prompt

Your client is an international manufacturer of electronic equipment for industrial customers.

The R&D department has developed a new product — a device that could replace all energy costs (electric, gas, etc.) using solar technology. The estimated price to the customer would be $5,000/house, with a pay back in 2 to 3 years.

The R&D department says the estimated investment is $100 million.

What is the potential market in the US?

Case Overview

In this LEK Market Sizing case, you’re being asked to size the US market for a new energy-saving solar product.

You can take either a top-down or bottom-up approach for solving Market Sizing problems. Which angle will help you best solve the problem for the client?

Follow these 4 steps for this case:

1. Structure your approach (5 or more steps is ideal)
2. Make assumptions
3. Do the calculations
4. Get to an insight

You could expect a case like this in a round 0 interview / initial phone screen, or find it incorporated into another case in your interviews (e.g. an M&A case).

LEK Interview Tips

What does LEK look for in its candidates? Strategic thinking.

Even in a Market Sizing case, there is opportunity to showcase your strategic thinking skills.

In this case, focus on coming away with 1 area of improvement.

Need to brush up your casing skills before your LEK interview? Book an hour with an ex-MBB coach. Want more sample case interviews? Head back to the Case Library!