在过去几十年里，阿根廷经历了长期的恶性通货膨胀，那里的人们对价格和工资的大幅度变动已司空见惯，合同通常只签很短的时期。另一方面，瑞士长期以来价格水平十分稳定。合同经常签数年。政府支出的增加在哪个国家会更有效地提高产量水平?(提示：考虑一下每个国家的总供给曲线形状) During the last decades，Argentina has undergone long periods of high inflation．People thereare used to substantial variation in prices and wages．Contracts usually cover only short periods oftime．Switzerland，on the other hand，has had a very stable price level for a long time．Contractsare often set to cover several years．In which of the two countries would an increase in governmentspending be more effective in raising the level of output?(Hint：Think of the shape of the aggregatesupply curve in each country．)