Re: [sfx: Discuss] The Balancing Act That Bike-Share RidersJustWatch - NYTimes.com

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Re: [sfx: Discuss] The Balancing Act That Bike-Share RidersJustWatch - NYTimes.com

Marcus G. Daniels
Steve writes:

> why not set up an
> "options market" for the bicycles... ultimately the price of bicycles at
> high-demand (source) nodes would be higher than ones at low demand
> (sink) nodes.

Depends whether the goal is to design a system that will provide equal
access to moderate cost transportation or if it is to get the most from the
resource.  

> Could this system be implemented ON TOP of the current system (e.g.
> without permission of the city authorities)?

Could the city's attempts to plan for the needed capacity be destabilized
by these sorts of agents?  

Marcus

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Re: [sfx: Discuss] The Balancing Act That Bike-Share RidersJustWatch - NYTimes.com

Steve Smith

>> why not set up an
>> "options market" for the bicycles... ultimately the price of bicycles at
>> high-demand (source) nodes would be higher than ones at low demand
>> (sink) nodes.
> Depends whether the goal is to design a system that will provide equal
> access to moderate cost transportation or if it is to get the most from the
> resource.
I'm proposing a system that optimizes (or at least satisfices)
"utility".   The system as designed seems to have included a constraint
of a "flat rate" buy-in to the system.   This flat rate has *some*
utility to the users (they can predict the cost) and to the system (ease
of administration).

In my example, the subscribers could continue to get the service at a
given flat rate, but the "system" would then price the value of those
who move bicycles according to supply and demand.   There is not a
stated constraint of providing "jobs" to the movers at a fixed rate?  My
example did transfer the disparity in value of bikes at sinks/sources to
the users.

I'm not sure what else might incentivize users of the system other than
money.  Some kind of quota/rationing of "scarce" resources might be in
order, but generally that only works to shift services around inside the
constraints of the system.

LLNL has (used to have?) a collection of bicycles to be ridden by anyone
at anytime across the lab (inside security gates).  If a bicycle proves
to be under-maintained, the standard is to leave the bicycle upside down
(virtually anywhere) to be picked up and repaired by a maintenance crw.  
I don't know how well it actually works... the few times I used the
bikes, they were incredibly clunky and under-maintained (even by my own
weak standards) but I think there are waves of maintenance/upgrade in
the system.
>> Could this system be implemented ON TOP of the current system (e.g.
>> without permission of the city authorities)?
> Could the city's attempts to plan for the needed capacity be destabilized
> by these sorts of agents?
Surely... especially if the city didn't take this into account. There
might *already* be examples of people "scalping" bikes in high demand
areas.  Even if the system requires you to check in a bike before you
check another out, imagine circling the bike parking area and offer to
park it for someone for a price.  I'm sure they will hire additional  
transit cops to prevent this.  Wouldn't it be better to build it into
the ecology?

- Steve



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Re: [sfx: Discuss] The Balancing Act That Bike-Share RidersJustWatch - NYTimes.com

Steve Smith
http://citibikenyc.com/pricing
http://www.parkshark.mobi/www/

Expat types often buy and sell vehicles to eachother as they enter/leave
foreign countries.  Imagine you could "sell" your bike at the end of a
commute leg and "buy" it (or similar) back at the beginning of another.  
If the price/value were easy to evaluate, then this system could work
too... without city-supplied bicycles.    Ride-a-Clunker variations on
"Rent-a-Wreck"?   Standardized quality of bikes, maintenance, etc.  is
an open question of course.

It *IS* hard to share.  Period.



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