Harold M. Clemens reports he wanted to reward a cool harmonica and guitar player on an Orange Line platform at Downtown Crossing yesterday, but realized he couldn't, because he had no change:
... in an instant I recognized what must be an externality - Charlie Cards have likely put a pinch on pan handlers, curb-side musicians and others. to be more specific: since automated machines have obsoleted the exchange of petty cash at train stations, passengers probably have less exchange change, if any at all, to give to impromptu performers.
that's kinda messed up and not only because of the human element of it. curb-side performers are often good entertainment and pleasant background noise while waiting for transportation. it's safe to say they've become hallmarks of many major cities. ...