{"items": [{"author": "Jan-Willem", "source_link": "https://plus.google.com/100580955183019057735", "anchor": "gp-1350737570520", "service": "gp", "text": "I suspect the problem here is that there are fewer on-street spaces than possible resident permits. \u00a0So if it's suddenly economical to approach 100% permit usage, things may go a bit pear-shaped.", "timestamp": 1350737570}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://plus.google.com/103013777355236494008", "anchor": "gp-1350738069066", "service": "gp", "text": "@Jan-Willem\n\u00a0You could cap the number of permits at the number of spaces.", "timestamp": 1350738069}, {"author": "David", "source_link": "https://www.facebook.com/jefftk/posts/536205759727510?comment_id=536223433059076", "anchor": "fb-536223433059076", "service": "fb", "text": "Would that cause any network effects that could cause one car-sharing program to more easily maintain a monopoly?", "timestamp": "1350739790"}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://www.facebook.com/jefftk/posts/536205759727510?comment_id=536224649725621", "anchor": "fb-536224649725621", "service": "fb", "text": "@David: car sharing services already benefit from strong network effects (the more members you have the more cars you can afford to distribute, the more useful you are, the more members you get).  I don't see how permits would change this fundamental dynamic, though.", "timestamp": "1350739964"}, {"author": "David&nbsp;German", "source_link": "https://plus.google.com/111229345142780712481", "anchor": "gp-1350744036998", "service": "gp", "text": "In addition to capping the number of permits, I think you'd want to distribute them initially via an auction, rather than to whomever happens to have a car right now.", "timestamp": 1350744036}, {"author": "David&nbsp;Chudzicki", "source_link": "https://plus.google.com/106120852580068301475", "anchor": "gp-1350756085868", "service": "gp", "text": "An example of several different sorts of incentives toward owning a car vs other ways of getting around. Artificial undersupply of taxis is another. Forcing builders to include parking in new construction so as not to change the ratio of residents to parking spots is another. \n<br>\n<br>\nMakes me sad. ", "timestamp": 1350756085}, {"author": "David&nbsp;Chudzicki", "source_link": "https://plus.google.com/106120852580068301475", "anchor": "gp-1350756387784", "service": "gp", "text": "I guess there could be some mitigating factor of car sharing services reducing demand via residents owning fewer cars?", "timestamp": 1350756387}, {"author": "David&nbsp;Chudzicki", "source_link": "https://plus.google.com/106120852580068301475", "anchor": "gp-1350757763978", "service": "gp", "text": "I think maybe I've seen car share in residential-seeming spots. Now that you mention it, Lucas, that's probably what was going on. ", "timestamp": 1350757763}, {"author": "Rebecca", "source_link": "https://plus.google.com/108076092316272654620", "anchor": "gp-1350903251858", "service": "gp", "text": "Some sort of exchange rate might make sense here - because surely the car sharing services don't need one car per member resident (that would defeat the point). So for every x residents who tell the city they are using a particular car sharing service, that service gets one permit.\u00a0", "timestamp": 1350903251}]}