Ethan Kennerly
Interactive Media
School of Cinematic Arts
University of Southern California

Yes
No

Yes, I have played some
version of Civilization

Yes
No

Land
Population
Military power
Monuments

Emperor, minister,
governor, or a mayor?
Only a citizen?

But rules of our nation
will affect our quality of life

Civilization III
Kurt Squire

Ayiti: The Cost of Life

Health
Happiness
...

2 hours in 2 minutes
It will be fast.
Are you ready?

Kenneth Arrow

Quality 100 90 ... 0
Healthy Sick Dead
Quality
100% Healthy
90% Trade 9 healthy years for 10 years
0% Dead
In use since 1970s (Gold and Fryback)

Health
Happiness
Research
Culture
…

Happiness index
Quality of Life index
Gross national happiness

John Broome, Weighing Lives, 2004

Attributes of a city
Health
Happiness
Research
Culture
...

Score =
(Health Quality × Health Value)
× (Happiness Quality × Happiness Value)
× (...)

Utilitarian ethics
Social computation

Summation

Quality 100 90 ... 0
Happy Sad Dead
Cities Small and happy Large and sad

Large, sad city: (90 × 9) = ?
= 90 Quality × 9 Life Years
Small, happy city: (100 × 1) = ?
= 100 Quality × 1 Life Years

Large and sad city: 810 QLY
= 90 Quality × 9 Life Years
Small and happy city: 100 QLY
= 100 Quality × 1 Life Years

Derek Parfit

Average of the living

Large and sad city:
= 90 Quality Years / 9 Lives
Small and happy city:
= 100 Quality Years / 1 Lives

Large and sad: 10 QY/L
= 90 Quality Years / 9 Lives

Small and happy: 100 QY/L
= 100 Quality Years / 1 Lives

 But what if someone dies?

Sad city dies in war:
= (100 + 0) Quality Years
/ (1 + 0) Lives
Sad city lives in peace:
= (100 + 810) Quality Years
/ (1 + 9) Lives

Sad city dies: 100 QY/L
(100 + 0) Quality Years
/ (1 + 0) Lives
Sad city lives: 91 QY/L
(100 + 810) Quality Years
/ (1 + 9) Lives

 Derek Parfit

Average of living and dead

Go to war, and sad city dies:
(100 + 0) Quality Years
/ (1 + 9) Lives
Keep peace, and sad city lives:
(100 + 810) Quality Years
/ (1 + 9) Lives

Sad city dies: 10 QY/L
(100 + 0) Quality Years
/ (1 + 9) Lives
Sad city lives: 91 QY/L
(100 + 810) Quality Years
/ (1 + 9) Lives

Large and sad city:
= 90 Quality Years
/ 9 Lives
Small and happy city:
= 100 Quality Years
/ 1 Lives

Large and sad: 10 QY/L
= 90 Quality Years
/ 9 Lives
Small and happy: 100 QY/L
= 100 Quality Years
/ 1 Lives

Collaborate to deploy in classroom
Compute quality of life for animals
Playtest multiplayer
Collaborate to modify artificial intelligence

Ethics: Rob Bass
Design: Peter Brinson
Social computation: Anonymous reviewers
Presentation: Andreas Witzel,
participants of "Logic and the Simulation
of Interaction and Reasoning 2"

Ethan Kennerly
kennerly@finegamedesign.com
To play the demo
ask me today, or visit:
http://finegamedesign.com/qualityoflife