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Table 1 Holt and Laury (HL) task according to Holt and Laury (2002)

From: What is your discount rate? Experimental evidence of foresters’ risk and time preferences

Row

Lottery A

 

Lottery B

Difference between

Range of constant

 

Chance of

Please choose one

Chance of

the expected values

relative risk aversion

 

gaining

lottery in each row

gaining

(EUR)a,b

if switching in this rowa,c

 

EUR

EUR

 

EUR

EUR

  
 

180.00

144.00

 

346.50

9.00

  

1

10%

90%

A \(\square \) \(\square \) B

10%

90%

104.85

\(-\,\infty \le \textit {r} <- 1.71\)

2

20%

80%

A \(\square \) \(\square \) B

20%

80%

74.70

− 1.71 ≤r < − 0.95

3

30%

70%

A \(\square \) \(\square \) B

30%

70%

44.55

− 0.95 ≤r < − 0.49

4

40%

60%

A \(\square \) \(\square \) B

40%

60%

14.4

− 0.49 ≤r < − 0.15

5

50%

50%

A \(\square \) \(\square \) B

50%

50%

− 15.75

− 0.15 ≤r < 0.14

6

60%

40%

A \(\square \) \(\square \) B

60%

40%

− 45.90

0.14 ≤r < 0.41

7

70%

30%

A \(\square \) \(\square \) B

70%

30%

− 76.05

0.41 ≤r < 0.68

8

80%

20%

A \(\square \) \(\square \) B

80%

20%

− 106.20

0.68 ≤r < 0.97

9

90%

10%

A \(\square \) \(\square \) B

90%

10%

− 136.35

0.97 ≤r < 1.37

10

100%

0%

A \(\square \) \(\square \) B

100%

0%

− 166.50

\(1.37 \le \textit {r} \le \infty \)

  1. a Column is not shown to participants
  2. b The expected value is the expected value of lottery A minus the expected value of lottery B
  3. c A power utility function in the form U\((x)=\frac {x^{\left (1-r\right )}}{1-r}\) is assumed for the calculation