“…With regard to the economic characteristics of the four surveyed countries, Thailand is the most developed one and is categorized as an upper-middle income country, while Vietnam is a lower-middle income country, and Laos and Cambodia are in the group of the least developed countries (United Nations, 2015). In addition, these countries are commonly characterized by a majority of people living in rural areas and by high dependence on agriculture and natural resources (Birthal et al, 2019;Do & Park, 2019;Zhai & Zhuang, 2009). The shares of the workforce in the agricultural sector in Cambodia, Laos, Thailand, and Vietnam are approximately 40%, 70%, 30%, and 40%, respectively (Birthal et al, 2019).…”