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• The role of the green week in the MBA curriculum

  Bruce Ahrendsen

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  281

  The purpose of the paper is to demonstrate the potential of experiential learning in fulfilling the role of higher education institutions in teaching and promoting an MBA education. The educational achievements of the Green Week of the MBA in Agribusiness and Commerce (AgriMBA) are highlighted and challenges and areas in need of improvement are discussed.

  Curriculum serves as the foundation of teaching students. While progress has been made in MBA curriculum, including economics, informatics, finance, marketing, and management, integrating these knowledge areas into experiential learning should be a key component of an MBA education. The AgriMBA provides such an integration of knowledge areas within an experiential learning environment of the Green Week. The Green Week has included 343 students representing 21 countries, six continents, and 11 universities, involved 34 case studies, and hosted by six universities during the 17 years it has been held.

  Although most MBA programs include case studies in their curriculum, the Green Week is unique in providing “live”, real-time case studies, where students representing multiple universities and countries come together to present their recommendations to business executives. This intensive, experiential learning opportunity exhibits how students from different cultural backgrounds are able to quickly form functional teams, apply curriculum knowledge areas, and effectively achieve this ambitious goal.

  JEL CODE: A23

• DETERMINANTS OF SMALL-SCALE MACADAMIA NUT PRODUCTIVITY IN ZIMBABWE: AN ORDINAL REGRESSION MODEL ANALYSIS

  Wellington Bandason

  Cosmas Parwada

  Abbyssinia Mushunje

  Views:

  63

  This study determines the factors influencing macadamia nut productivity among smallholder farmers in Zimbabwe's Chipinge District. Despite favourable agro-ecological conditions, smallholder productivity (1.89t/ha) significantly lags behind commercial farmers (3.9t/ha) and global benchmarks (7.17t/ha). Using cross-sectional data from 284 registered smallholder farmers collected in 2023-2024, ordinal regression analysis identified critical productivity determinants. Results revealed that farming experience significantly increases productivity, with each additional year of experience raising the log odds of achieving higher productivity by 18.4% (p<0.05). Labour availability positively influences productivity (p<0.05), particularly during labour-intensive operations like pruning and harvesting. Farm resilience score, capturing innovations that reduce field losses and improve market access, exhibited a strong positive effect (p<0.01). Unexpectedly, financial management skills (FMS) and risk management skills (RMS) demonstrated significant negative effects (p<0.05), suggesting a "formalization penalty" where sophisticated management systems incur overhead costs that fail to yield proportional returns in contexts of pervasive market failure, price volatility, and liquidity constraints. The study concludes that while farm experience, labour capacity, and resilience-building investments enhance productivity, the effectiveness of formal management skills is constrained by fundamental market structure failures. Policy recommendations emphasize capacity building in experiential learning, labour skill development, resilience-enhancing technologies, and most critically the market structure reforms to enable formal management systems to function effectively. Addressing transaction costs, information asymmetry, and capital access constraints must precede investments in sophisticated farm management training.