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用经济学的视角比较分析小语种语言存亡理论,通过对各模型不同程度的深化和拓展,研究得出以下结论:(1)Q值模型,切奇(Church)模型和拉齐尔(Lazear)模型认为语言趋同,小语种语言没有被保护的可能性;(2)利用切奇模型解释由于学习其他语言的高成本,小语种语言的消亡需要相当长的一段时间;(3)格林(Grin)模型则基于小语种语言有必要被保护的外生性假设,认为小语种语言有被保护的可能性,小语种语言存在着存亡边界,改变小语种语言的语言态度的制度安排对保护小语种语言是有益的。
From the perspective of economics, this paper compares and analyzes the theory of linguistic existentialism in small languages, and draws the following conclusions by deepening and expanding each model to some extent: (1) Q value model, Church model and Lazear (2) It is quite a long time to explain the demise of linguistic minorities due to the high cost of learning other languages by means of the dichotomy model; (3) The model is based on the exogenous hypothesis that small language languages are necessary to be protected, that small language languages are protected, that small language languages have existential boundaries, and that institutional arrangements that change the linguistic attitudes of small language languages are not benefit.