I interviewed at Cornerstone Research (Chicago, IL)
Interview
honestly very relaxed - two back to back interviews for first round (technical) and then a very long super day that was in person in the office with high exec
Interview questions [1]
Question 1
they asked me a question about t-scores/z-scores?
why economic consulting
a lot of cases
Straightforward- 10 min behavioral and 20 min case on 2 separate zooms with analysts. Case was more interviewer driven with math questions. No curveballs or hard questions. A little bit o fmental math involved
I applied through college or university. The process took 3 weeks. I interviewed at Cornerstone Research in Oct 2021
Interview
There were 2 rounds of interview:
First round was 1 hour of a combination of behavioural and case interview
Second round (Superday) - 4 45 min interviews with the same format, but 4th interview with partner only has behavioural questions.
Interview questions [1]
Question 1
Why Cornerstone?
Why economic consulting?
What other industries are you considering going into - what are the pros and cons?
Case questions - How can your prove that there was no collusion?
What affects the price of X?
Summer Intern applicants have rated the interview process at Cornerstone Research with 3.1 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 38% positive. To compare, the company-average is 69.2% positive. This is according to Glassdoor user ratings.
Candidates applying for Summer Intern roles take an average of 28 days to get hired, when considering 8 user submitted interviews for this role. To compare, the hiring process at Cornerstone Research overall takes an average of 17 days.
Common stages of the interview process at Cornerstone Research as a Summer Intern according to 8 Glassdoor interviews include:
One on one interview: 50%
Phone interview: 25%
Skills test: 25%
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