Paul Vaaler, a University of Minnesota professor at the Carlson School of Business and Management, details Amazon's Prime Days strategy and how that's affected local big box stores like Target and Best Buy. Vaaler discusses the unique situation surrounding this year's flash sales and why it is ultimately a good thing for consumers. 

<p>Paul Vaaler, a University of Minnesota professor at the Carlson School of Business and Management, details Amazon's Prime Days strategy and how that's affected local big box stores like Target and Best Buy. Vaaler discusses the unique situation surrounding this year's flash sales and why it is ultimately a good thing for consumers. </p>

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