“…This simulation sample includes almost all types of economies, the samples this study use with horizontal representativity of RCEP members, and they are all intra-regional economies with relatively developed, large populations or rapid development. Therefore, analyzing them has important guiding significance for studying the economic impact of RCEP: China Mainland and Japan is the two largest economies in Asia and is also full-industry chain economy (e.g., References [ 18 , 21 ]), South Korea, Indonesia, Thailand, Vietnam, and Singapore are typical export-oriented economies (e.g., References [ 21 , 27 , 53 ]), and Australia and New Zealand are resource-based economies (e.g., References [ 31 , 32 ]).…”