Download - Poster Rat Race

Transcript
Page 1: Poster Rat Race

Rats, Black Swans, and Personal Careers an Investigation of “Go with the flow” and

“Deviate from common behaviour” Strategies

Andreas Andreas

80 % 20 %

Probability matching;

success rate: 68 %

A “didactic” system dynamics model

Rats left Rats right

Probability food

Food left Food right

Total foodtaken right

increase

food right

Total foodtaken left increase food left

PolicyGoingLeft

A “didactic” system dynamics model

Rats

going left going right

new rats

Individual rationality does not

100

75

50

units 5

5

5

5

4

4

4

4

4

3

3

3

3

3

2

2

2

2

1

1

1

1

Individual rationality does not

lead to high overall performance

50

25

0

0 10 20 30 40 50 60 70 80 90 100

Time (Hour)

units

Total foot taken : RationalChoice100Rats 1 1 1 1 1

5

5

5

5

5

4

4

4

4

4

3

3

3

3

3

2

2

2

2

2

1

1

1

1

1

1

Being different can be Total foot taken : RationalChoice100Rats 1 1 1 1 1

Total foot taken : ProbabilityMatching100Rats 2 2 2 2

Total foot taken : HalfHalf100Rats 3 3 3 3 3 3

Total foot taken : Extraordinary100Rats 4 4 4 4 4

Total foot taken : Adapting100Rats 5 5 5 5 5 5

0.02

-0.135

5 5 5

4

44

3 3 32

2 21 1 1 1

rats

Being different can be

quite successful (but is risky)

-0.29

-0.445

-0.6

0 10 20 30

units/rats

* Radboud University Nijmegen, The Netherlands, [email protected]

The trouble with

the rat race is that

even if you win,

you‘re still a rat

DifferenceAverages : RationalChoice100Rats

DifferenceAverages : ProbabilityMatching100Rats

DifferenceAverages : HalfHalf100Rats

DifferenceAverages : Extraordinary100Rats

DifferenceAverages : Adapting100Rats

* Radboud University Nijmegen, The Netherlands, [email protected] you‘re still a rat

-- Lily Tomlin

Rats, Black Swans, and Personal Careers –an Investigation of “Go with the flow” and

“Deviate from common behaviour” Strategies

Andreas Größler*Andreas Größler*

Inspiration:

Gigerenzer, 2007Gigerenzer, 2007

Brunswick, 1939

80 % 20 %80 % 20 %

Success rate:

still 68 % per rat

But: food is divided by

number of rats.still 68 % per rat number of rats.

If one rat goes to the right,

chances are low, but if food

is there, rat has it on its own.

Policies tested:

• Rational choice• Rational choice

• Probability matching

• Half-Half

• Extraordinary• Extraordinary

• Adaptation

Being different can be

Analogy to

• General strategy

• Investment policy

• Personal career

5 5 5 5 5

4

4 44 4

3 3 3 3 32 2 2 2 2 21 1 1 1 1 1

Being different can be

quite successful (but is risky)• Personal career

planning

• Focused factory vs.

“world class

40 50 60 70 80 90 100

Time (Hour)

“world class

manufacturing”

University Nijmegen, The Netherlands, [email protected]

Time (Hour)

1 1 1 1

: ProbabilityMatching100Rats 2 2 2 2

3 3 3 3 3

4 4 4 4 4

5 5 5 5 5 5

University Nijmegen, The Netherlands, [email protected]

Top Related