NISHIO Hirokazu
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社会保障負担
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現役一人当たり高齢者がN倍になった時に負担はN倍になるべきか
自動化-不安定雇用-世代間緊張
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Engineer's way of creating knowledge
" the English version of my book is now available on
[Engineer's way of creating knowledge]
(C)NISHIO Hirokazu / Converted from
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