No. of Recommendations: 2
warrl,

I agree if you look at it that way. OTOH, if I trade my widget for your gizmo rather than for someone else's gizmo, they are out a widget and I have a gizmo. If widgets are necessary for them, they could offer to buy them from you - unless you have consumed it. So, supply and demand can make it zero sum.

That's why I used the word "somewhat" (always leave yourself an out :-)

Jeff
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