Atkins (1995)

The Gambia

Marginal value of work time on crops cultivated by women

Asenso-Okeyre et al (1997)

Ghana

Average agricultural wage differential by age and gender

Bruce-Chwatt (1963)

Nigeria (psychiatric patients, Lagos)

–

Cropper et al. (1999)

Ethiopia

50% or 100% of the average daily wage

Ettling et al. (1991)

Rwanda

85% of average rural wage

Ettling et al. (1994)

Malawi

Mean per capita income from household survey

Gazin et al. (1988)

Burkina Faso (factory)

–

Guiguemde et al. (1997)

Burkina Faso

Mean annual income per worker by occupational group and age

Leighton and Foster (1993)

Kenya

Weighted average wage rate in agricultural, service and industrial sectors

Leighton and Foster (1993)

Nigeria

Weighted average wage rate in agricultural, service and industrial sectors

Miller (1958)

West African men

–

Nur and Mahran (1988)

Gezira, Sudan

–

Sauerborn et al. (1991)

Burkina Faso

Market value of average output per person for main produce in each of three seasons