Could anyone tell me if it matters which edition you have for Whatever Happened to Penny-Candy? I have the third edition and there have been more revisions since that one.
I have the second edition. I can't imagine it matters a whole lot. He might update the examples a little--there have sure been interesting "economics at work" examples going on in our country the last few years. But the principles don't change. So I wouldn't worry much about it unless you were trying to use the workbook they sell to go with it--in which case I'd be sure and get the intended edition.
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