Nghia Dai Tran

Stochastic Frontier Analysis with Price Risk: An Application to Organic Tea Production in Vietnam

Nghia Dai Tran & John F. Yanagida · Asian Journal of Agricultural Extension, Economics & Sociology · 2014

Traditionally, tea famers have been used chemicals to protect products. But an over usage of pesticides or preservation compounds has negatively affected on the environment and human health. When the living standard has been improved, consumers have changed into buying cleaner an...