This study examined the efficiency of resource utilization in yam production among farmers in Ogoja Local Government Area of Cross River State, Nigeria. The research was guided by three specific objectives and corresponding research questions. The target population comprised yam farmers within the study area, while the sampling frame was derived from the Agricultural Development Programme (ADP) register of contact farmers. A multi-stage sampling technique was employed to select a sample of 60 respondents.

Primary data were collected using a structured questionnaire administered through scheduled interviews, complemented by personal observations and farm record assessments. The research instrument was subjected to expert validation by a specialist in Agricultural Economics and Extension to ensure its content validity and reliability.

Data analysis involved both descriptive and inferential statistical techniques. Descriptive statistics, including means, medians, and percentages, were used to profile the socio-economic characteristics of respondents and identify constraints affecting yam production. Resource-use efficiency was evaluated using marginal analysis, specifically the Marginal Value Product (MVP) to Marginal Factor Cost (MFC) ratios. A multiple regression model was further applied to estimate the production function coefficients and determine the contribution of key inputs to yam yield.