Local government policies have been strongly linked to the principles of subsidies and decentralization in Thailand since 1997. The distribution model for local government organizations is linked to the suitability or need for change, which often depends on the economic efficiency and size of the local government organization in terms of population, i.e. economies of scale. This study contributes to the discussion on economies of scale under the conditions of Thai local administrative organizations based on the Cobb-Douglas production function ...