The scheduled 2020 Olympics and Paralympics in Tokyo have had a tremendously positive impact on Japanese people's mind-set, playing a large part in the return of a brisk economy, said a government official in charge of preparations for the games.

"The fact that Tokyo was selected to host the games makes a huge contribution to getting Japan out of deflationary sentiment," said Takeo Hirata, director-general, Office for the Promotion of the Tokyo 2020 Olympic and Paralympics Games, Cabinet Secretariat.

The professor at Waseda University also said, "Students now think about what they are doing in seven years."