Your idea that Japan's lost decade was caused or extended by a low birth rate doesn't sound right to me... and the first two results in a search engine don't su

Your idea that Japan's lost decade was caused or extended by a low birth rate doesn't sound right to me... and the first two results in a search engine don't support your claims. It would also not appear to be provable or disprovable. The lost decade certainly wasn't caused by demographics, and there's no alternative universe Japan that encountered those same economic conditions but many more babies were made.