John F. Yanagida

Computational Economic Analysis of Duck Production at the Farm Household Level in the Context of Highly Pathogenic Avian Influenza Subtype H5N1 in the Red River Delta, Vietnam

Chinh C. Tran & John F. Yanagida · Asian Journal of Agricultural Extension, Economics & Sociology · 2015

Smallholder duck producers are considered to be more susceptible to contracting the HPAI H5N1 infection. Occurrence of the Highly Pathogenic Avian Influenza subtype H5N1 (HPAI H5N1) usually results in the complete loss of the producer’s entire flock due to high mortality rate and...

Open access Research Article 10.9734/AJAEES/2015/17778

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...

Open access Research Article 10.9734/AJAEES/2015/13095

Factors Affecting Technical Efficiency of Small-holder Coffee Farming in the Krong Ana Watershed, Vietnam

Thong Quoc Ho, John F. Yanagida & Prabodh Illukpitiya · Asian Journal of Agricultural Extension, Economics & Sociology · 2013

Coffee production is a major source of income for farmers in the DakLak province in Vietnam. Although Vietnam is one of the largest coffee producers in the world, research to improve the coffee industry is lacking, in particular, evaluating production efficiency in coffee farming...

Open access Research Article 10.9734/AJAEES/2014/6599