Contrary to the way we sometimes talk about it, GDP was not handed down from God on tablets of stone.  It's a measurement tool invented in the 20th century to address the challenges of the 20th century.
たまに私達はこう言います GDPは神から託された 十戒の石板ではない GDPは20世紀の発明品で 20世紀の問題に立ち向かいました