I think you need to read the second paragraph of what you posted, specifically:
Quote:
As a result, the lipstick index has been discredited as an economic indicator.
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As a longtime reader of local newspapers, I learned long ago that most of their national stories are pulled from the wire services and that when the local folks try to write stories about the national scope, they get details like this wrong.
If you want to link to the source of your quote, maybe there's something that somehow makes this back into a real theory, but for now, what you've given us basically says that lipstick sales are not indicative of anything in the greater economy.