(Imperial College London - Business School - Feb 2016)

D1: Firm Profiles (too large and has not been directly used so is not uploaded)
D2: Firm Level Data
D3: Patent Data
D4: Surnames and Ethnicities reference file

1. Herfindahl index is a measure for diversity of sets. Let 1-Herfindahl be h-index.
2. Every team is assigned an h-index based on members ethnicities. Ethinicity is implied from metaphonic version of team members' last names.
3. Data obtained here is later imported to R for Possion regression. Since we have count data, Poisson is the suitable model.

1. Sort dictionary by key in python. (key, value)
2. Collapse a list of lists into one list.
3. Use of tuple.
4. Use of Counter.
5. Use of jellyfish.metaphone.