Table 5 RPL estimates for choice of groundnut traits by supply chain actors

ASC

− 2.475***

− 1.979***

− 1.655***

− 1.084

(0.577)

(0.588)

(0.391)

(1.186)

Price

− 3.496***

− 3.736***

− 4.148***

− 4.267***

(0.080)

(0.269)

(0.247)

(0.296)

Yield (1 = low)

− 1.096***

(0.167)

Maturity2 (1 = medium)

− 0.143

(0.207)

Very low oil content

− 0.030

− 1.811**

(0.687)

(0.490)

Maturity3 (1 = late)

− 1.147***

(0.207)

Disease resistance 2 (1 = tolerance)

− 0.280

(0.186)

Low oil content

− 0.109

− 0.061

(0.665)

(0.402)

Disease resistance 3 (1 = susceptible)

− 0.567**

(0.274)

Small grain size

– 1.566*

0.588

(0.899)

(0.394)

Easily harvest 2 (1 = difficult)

− 0.772***

(0.266)

Short grain storability

− 1.186*

0.002

(0.607)

(0.434)

Medium grain storability

− 0.206

− 0.015

(0.718)

(0.430)

Easily harvest 3 (1 = very difficult)

0.066

(0.219)

Red grain

0.549

− 0.230

(0.434)

(0.609)

Brown grain

0.346

0.525

(0.458)

(0.548)

Low nutritional value

− 1.586***

(0.547)

Crunchy texture

0.812

(0.560)

Salty flavor groundnut paste

0.557

(0.581)

Non-random parameters

Age

0.023* (0.013)

0.005 (0.025)

Gender (1 = male)

− 0.131 (0.247)

0.616 (0.702)

Household size

0.030 (0.227)

Farming experience

− 0.020 (0.173)

AEA

− 0.674** (0.286)

Training

0.026 (0.284)

Education

0.001 (0.030)

− 0.021 (0.057)

Household size

− 0.097* (0.056)

Standard deviations

ASC

0.117

0.109

1.217

0.216

(0.169)

(0.217)

(1.580)

(0.448)

Price

0.036

1.191***

1.644

0.060

(0.117)

(0.269)

(3.566)

(0.462)

Yield (1 = low)

0.447

(0.499)

Maturity2 (1 = medium)

1.173***

(0.452)

Very low oil content

2.724***

0.865

(0.953)

(0.578)

Maturity3 (1 = late)

1.624***

(0.380)

Disease resistance 2 (1 = tolerance)

0.705

(0.566)

Low oil content

0.235

0.636

(0.763)

(0.473)

Disease resistance 3 (1 = susceptible)

3.372***

(0.444)

Small grain size

2.683**

(1.161)

Easily harvest 2 (1 = difficult)

1.833***

(0.370)

Short grain storability

1.618

0.210

(1.138)

(0.841)

Medium grain storability

3.371**

0.170

(1.577)

(0.610)

Easily harvest 3 (1 = very difficult)

0.748

(0.618)

Red grain

0.169

1.329*

(0.546)

(0.807)

Brown grain

1.014

1.288

(0.750)

(0.793)

Low nutritional value

0.713

(1.906)

Crunchy texture

0.433

(1.246)

Salty flavor groundnut paste

2.071**

(1.033)

Observations

1620

900

1080

900

AIC

2768.0

324

334

309

Log likelihood

− 1358.99

− 148

− 149

− 136