Table 6 Descriptive statistics of variables included in the empirical model

AB

Agricultural land to bioenergy (ha)

3.37

3.22

0

22

IA₁

1 if male, 0 female

0.61

N.A

0

1

IA₂

Age (years)

43.67

12.18

18

80

IA₃

1 if farmer, 0 entrepreneur

0.83

N.A

0

1

IA₄

1 if full-time commitment, 0 part-time

0.75

N.A

0

1

IA₅

1 presence of recent investments, 0 otherwise

0.7

N.A

0

1

IA₆

1 if crops were changed recently, 0 otherwise

0.18

N.A

0

1

IA₇

1 if farmer knows cooperatives, 0 otherwise

0.59

N.A

0

1

IA₈

1 if farmer has participated in cooperatives, 0 otherwise

0.34

N.A

0

1

FC₁

1 presence of fallow land, 0 otherwise

0.34

N.A

0

1

FC₂

1 presence of livestock, 0 otherwise

0.23

N.A

0

1

FC₃

Total agricultural area

19.64

28.14

1.5

340

PC₁

Social dilemma

0

1

−1.44

2.66

PC₂

Awareness of responsibility

0

1

−3.92

2.75

PC₃

Personal norms

0

1

−3.37

2.24

PC₄

Trust in other people’s cooperation

0

1

−3.74

1.8

PC₅

Awareness of consequences

0

1

−5.98

1.64