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7. (10 points)

a. Use the Herfindahl-Hirschman Index (HHI) and calculate the competitiveness of

each Tennis Grand slam (Australian Open, Roland Garros, Wimbledon, US Open)

between 2009 and 2019. Which Grand Slam is the most competitive?

Champions:

Australian

Year

Open

2009 Rafael Nadal

2010 Federer

2011 Novak Djokovic

2012 Djokovic

2013 Djokovic

2014 Stan Wawrinka

2015 Djokovic

2016 Djokovic

2017 Federer

2018 Federer

2019 Djokovic

Roland

Garros

Roger Federer

Nadal

Nadal

Nadal

Nadal

Nadal

Wawrinka

Djokovic

Nadal

Nadal

Nadal

Wimbledon US Open

Federer

Nadal

Djokovic

Federer

Murray

Djokovic

Djokovic

Murray

Federer

Djokovic

Djokovic

Juan Martin Del

Potro

Nadal

Djokovic

Andy Murray

Nadal

Marin Čilić

Djokovic

Wawrinka

Nadal

Djokovic

Nadal/nb. Calculate the HHI for Formula 1 Drivers and Constructor Championships over the

same period.

Year Driver Champion Constructor Champion

2009 Jenson Button

Brawn GP

Red Bull Racing (RBR)

RBR

RBR

RBR

2010 Sebastian Vettel

2011 Vettel

2012 Vettel

2013 Vettel

2014 Lewis Hamilton

2015 Hamilton

2016 Nico Rosberg

2017 Hamilton

2018 Hamilton

2019 Hamilton

Mercedes

Mercedes

Mercedes

Mercedes

Mercedes

Mercedes

c. Over this past Decade, there were lots of complaints in regard to the dominant

eras in Formula 1. Mercedes has captured the Championship over the last 7 years

and RBR won the previous 4. Meanwhile the driver who won the championship

also drove for the constructor's champion.

You just calculated the HHIs for both Formula 1 and Tennis Grand Slams, how does

the dominance compare between the two sports? Why don't we hear more

complaints about the dominance of certain tennis players while we often hear

complaints about formula 1 drivers being so dominant? (4 arguments; Might want

to do a little bit of research on each sports [tennis vs motorsport])

Fig: 1

Fig: 2