“…There have been several studies on energy system development and GHG emissions in Thailand (see, e.g., Shrestha et al, 1998Shrestha et al, , 2007NEPO, 1999;Tanatvanit et al, 2003Tanatvanit et al, , 2004Suksuntornsiri, 2007a, 2007b). However, these studies do not examine the implications of carbon tax.…”