“The honor system” is a phrase that means, basically, no one is watching you and you are being trusted to behave in a way that is honest and trustworthy.
In education, the system is used for unproctored tests, for example.
In transportation, the system is used when people are trusted to buy tickets but no one actually checks that you’re carrying one. I noticed this in Portland, Oregon — not for all the public transportation but for some of it.
Here’s a story about a coffee shop based on the honor system:
(via Daily Coffee News)
What do you think? Would it work in Tokyo?
Can you think of some examples of the honor system in practice?