If the Japanese government wants to do the right thing, all it has to do is to let the population contract even further until Asset prices begin to freefall.
Then everything will be affordable again for young Japanese citizens and a good longterm economic outlook for the future is the best thing you can do to stimulate birthrates.
If Japan wants to screw it up, it should allow mass immigration. This way asset prices can stay high and the native Japanese will eventually cease to exist. We will speak of them in the future as great ancient civilization. Similarly we speak of ancient Greeks today.
Then everything will be affordable again for young Japanese citizens and a good longterm economic outlook for the future is the best thing you can do to stimulate birthrates.
If Japan wants to screw it up, it should allow mass immigration. This way asset prices can stay high and the native Japanese will eventually cease to exist. We will speak of them in the future as great ancient civilization. Similarly we speak of ancient Greeks today.