TDD help needed

Would someone from the Critical Chain group like to
give Kent the lowdown on Throughput Dollar Days?

Regards,

David

--- Kent Beck <[email protected]> wrote:
> The overall direction you suggest, measure in
> dollars instead of time,
> makes sense for lots of reasons. It seems similar to
> the Value At Risk
> measurements that trading firms use to measure their
> exposure. A dollar
> we spend today is at risk until the decision paid
> for by that dollar is
> tested in the crucible of real use.
>  
> One thing I like about measuring in days is that it
> is independent of
> project scale. I can compare a 10 person team with a
> 20 person team
> directly.
>  
> At the end of Critical Chain, Goldratt suggests
> measuring investment in
> "dollar days", the number of dollars times the
> number of days those
> dollars are unavailable for other uses. He doesn't
> explain in any more
> detail, though. Does anyone know what he's talking
> about?
>  
> Kent
> 


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