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NO.PZ202206070100000304 问题如下 The most appropriate economic moling approathKumshoulsuggest is: A.a checklist approach. B.econometric moling. C.leang economic incator-baseanalysis. SolutionC is correct. Leang incator-baseanalysis is the simplest forecasting approabecause it requires following only a limitenumber of variables. Leang economic incators mprovi information about upcoming changes in economic activity, inflation, interest rates ansecurity prices.A is incorrect. Checklist assessments are time consuming because they require looking the wist possible range of ta anmrequire subjective jument. B is incorrect. Econometric mols mfficult to construct, estimate aninterpret if they contain more tha few variables, yet more variables mneeto make a mol more realisti题目考察的是预测经济的三类方法。领先指标的分析是最简单的预测方法,因为它只需要遵循有限的变量。领先经济指标可能提供关于经济活动、通货膨胀、利率和证券价格即将发生变化的信息。所以C正确。A是不正确的。检查表评估法是耗时的,因为这需要查看尽可能广泛的数据,可能也需要一定主观判断。B是不正确的。如果计量经济学模型包含变量过多,那么它可能难以构建、估计和。然而,为了使模型能顺利构建,往往又需要更多的变量。 什么是appropriate ,题目中有什么表述给了暗示么?是最简单的,还是说要能得出什么结论的?没有get到。