Saturday, January 23, 2010

Not That I'd Use This in Class...

But it did make me think of "substitutes" and "inferior goods."

Wizard of Id

What do you think?
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1 comment:

Paul Woodling said...

Thanks, this was timely as I introduced Supply and Demand today.

Students enjoyed it.

January 26, 2010 at 7:46 AM

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