Stock market network reveals investor clustering

(PhysOrg.com) -- The stock price of a company continuously changes, going up or down depending on the collective activity of a large number of investors. Although this process seems fairly straightforward, no one fully understands ...

The unintended consequences of tinkering with online prices

When your online retail platform clears billions of transactions a year, what's the harm in testing different prices for the same products on a relative handful of your customers? You might find a way to maximize revenue ...

Frequently discounting maximizes retailer revenues

JC Penney implemented a "best price" strategy in 2012, assuming consumers prefer fair, everyday prices as opposed to sale prices that are discounted from original, inflated prices. It was wrong. Longtime customers—loyal ...

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