Even better, the resources that would have otherwise gone into the stored goods could be diverted to the production of new capital assets, which would, cumulatively, over a working lifetime, produce an even greater quantity of goods and services to be consumed in retirement.
The labor force participation rate of women in Japan has become higher than in the United States. The flip side is that room for additional labor supply is gradually shrinking in Japan. In this situation, it is likely that momentum for wage increases will also come from the labor supply side in the future.