“…Evolutionary game theory adopts the assumption of limited rationality for actors with multiple strategy choices, that is, actors' behavior strategies are constantly and dynamically revised and improved under the condition of incomplete information, and finally reach a stable solution [23,24]. Although the Stackelberg game [6,13] has also been used to study issues related to new energy vehicle subsidy policies and supply chain decisions, it makes the assumption of perfectly rational behavior for participating entities, that is, they reach the final decision at once under the condition of complete information. In this study, involving the multi-sectorial and frequency dependent nature of incentives of bus operators and the government, the purchase decision of the former is not seen as a one-time act, but usually a multi-batch procurement iteration until all vehicle purchases are completed, and their decision may change dynamically according to the respective subsidy level in the process of multiple procurements.…”