Background: Agricultural production by smallholder farm households is a means of livelihood for many rural households in developing economies, including Africa. Commercializing smallholder farmers in the agricultural sector is an indispensable path to boost economic growth and development of most developing countries, like Ethiopia. But, maize marketing has not been given due attention, which has potential production volume and marketability. Therefore, this study is designed to identify determinants of market participation decision and volume of supply among smallholder maize producer farmers in Southwest Ethiopia. Methods: Data for this study were collected through cross‑sectional survey from maize producer farm households. The primary data were generated by household survey using a pre-tested structured questionnaire. A both purposive and random sampling technique was used to draw an appropriate sample of 546 maize producer households for this cross-sectional survey study. The data were analyzed using descriptive statistics and double-hurdle econometric model. Results: The result of the survey indicates that out of total 546 maize producers, 381 households are maize market participants and 165 households are non-participants. First hurdle model results show that nine variables—education level, farming experience, quantity of maize produced, cooperative membership, distance to nearest market, amount of credit received, off/non-farming income, number of oxen and perception about lagged price—significantly affect the market participation decision among maize producer farmers. The second hurdle result confirmed that seven variables—sex, family size, land allocated for maize, number of oxen, distance to nearest market, livestock holding and perception about lagged price—significantly affect the level of market participation by maize producer farmers. Conclusion: The findings of this study revealed that understanding the factors and its extent is very important for policy-making to address the problem of market participation decision and level of participation among smallholder farm households. Therefore, the study suggests that important resource and socio-economic factors must take into consideration to enhance the productivity and strength supportive institutions or infrastructural facilities in the study area to improve market participation decision and level of participation of smallholders.

Smallholders farming are responsible for a large proportion of Ethiopian food production. Sorghum is one of drought-tolerant crop which plays a crucial role in improving household food security level and source of income. However, there are different constraints which hinder the production and commercialization of cereal crops. Therefore, this study was aimed at identifying the determinants of sorghum producers’ commercialization in Kaffa, Sheka, and Bench Sheko Zones Southwest, Ethiopia. Data for the study were collected from both primary and secondary sources. The primary data were generated by a household survey using a pre-tested semi-structured questionnaire. Purposive and three-stage sampling techniques were used to draw 543 farmers. The data were analyzed using descriptive statistics and an econometric model. The Tobit model results indicated that sex of household head, educational level of household head, land under sorghum production, non/off-farm income, sorghum quantity produced, credit amount receive, and oxen were found to influences significantly the degree of commercialization. Policy implications drawn from the study findings include enhancing the productivity of land, strengthening supportive institutions and improving infrastructural facilities. Supporting female-headed households through different policy initiatives and interventions can improve their market participation decisions. Strengthening supportive institutions such as credit access and extension contact would motivate farm households to improve market participation.

Kaffa, Sheka, and Bench sheko Zone in the Southwest region of Ethiopia are known for enset farming. The objective of this study was to identify factors constraining market participation of enset producers and marketed surplus. Data were obtained from a sample of 657 enset producers. Heckman's two-stage model was used to identify the determinants of enset products market participation and marketed surplus. Heckman's two-stage selection model results showed that family size, level of education, farming experience, land allocation, livestock ownership, and access to training had significantly influenced market participation decision while family size, level of education, farming experience, livestock ownership, access to transport, quantity enset produced, off-farm income and inverse Mill's ratio (LAMBDA) influenced significantly the extent of marketed surplus. Based on the findings of the study, we suggest that the government and concerned stakeholders should focus on promoting improved enset variety, encouraging the use of labor-saving technology, strengthening the existing social services, promoting farmers' cooperatives, empowering women, improving market linkage, and competitive market should be created.