Still though, as noted by the paper, there hasn't been a shutdown in Japan:

> Without introducing lockdown measures or strict domestic movement restrictions during the state of emergency, authorities requested non-essential businesses to close or opt to work remotely. Stores and restaurants were asked to operate for reduced hours. The state of emergency was lifted on May 25, 2020.

Yes economic down turns can increase the suicide rate shock, but shutdowns are obviously not a factor for Japan as they haven't imposed nearly as onerous containment measures as other countries. The main reason for Japan's current plight is that its economy is heavily susceptible to external economic shocks such as decreased global consumption due to an ongoing pandemic.

https://www.businesstoday.in/current/world/covid-19-effect-j...