Yuko Nakano

On the Possibility of Rice Green Revolution in Irrigated and Rainfed Areas in Tanzania: An Assessment of Management Training and Credit Programs

In order to develop a strategy for a rice Green Revolution in sub-Saharan Africa, this study investigates the determinants of the adoption of new technologies and their impact on productivity of rice cultivation. We analyzed two kinds of data sets collected in Tanzania: a nationally representative cross-sectional data and a three-year panel data of irrigated farmers in one district. We found that not only irrigation but also agronomic practices taught by training play key roles in increasing the adoption of modern technologies and the productivity of rice farming

Does land lease tenure insecurity cause decreased productivity and investment in the sugar industry? Evidence from Fiji†

Does land lease tenure insecurity cause decreased productivity and investment in the sugar industry? To answer this question, the present study examined the impact of weak formal tenure lease arrangements on tenants Einvestment and the productivity of sugarcane in Ba province, Fiji. After controlling for potential endogeneity in the choice of lease tenure using instrumental variables (IV), it was shown that tenants under insecure lease tenure (expiring in 0 E years) achieve significantly lower yields of sugarcane, by 9 E1 tonnes per hectare, and plant smaller areas of new sugarcane, by 0.19 E.25 hectares on average, than do tenants under secure lease tenure. Insecure lease tenure also negatively affects chemical fertilizer use, although this impact is not statistically significant. An intervention to improve tenure security would likely enhance the production efficiency of and investment in the Fijian sugarcane industry.