というIMF論文が出ている。原題は「The Impact of Demographics on Productivity and Inflation in Japan」で、著者はYihan Liu、Niklas Westelius。 以下はその要旨。 Is Japan’s aging and, more recently, declining population hampering growth and reflation efforts? Exploiting demographic and economic variation in prefectural data between 1990 and 2007, we find that aging of the working age population has had a significant negative impact