Management Insights, a regular feature of the journal, is a digest of important research in business, management, operations research, and management science. It appears in every issue of the monthly journal Management Science.
“Battle of the Retail Channels: How Product Selection and Geography Drive Cross-Channel Competition” is by Erik Brynjolfsson of MIT, Yu (Jeffrey) Hu of Purdue University, and Mohammad S. Rahman of the University of Calgary.
The authors ask how Internet retailers compete with brick-and-mortar retailers and how this competition varies across different products. Internet retailers are deeply concerned about the competition with local retailers and vice versa.
The paper measures the strength of the competition that Internet retailers face from local stores and shows how it varies across products with varying levels of consumer search costs.
The authors find that niche products sold by Internet retailers are largely immune to competition from brick-and-mortar retailers, whereas competition is much more intense for popular products.
The authors point out that Internet retailers that pursue a “niche” strategy can be almost immune from competing with local stores. They also recommend that Internet retailers vary their promotional strategies and product offerings based on geographic locations of consumers.
The current issue of Management Insights is available at http://mansci.journal.informs.org/cgi/reprint/55/11/iv. The full papers associated with the Insights are available to Management Science subscribers. Individual papers can be purchased at http://institutions.informs.org. Additional issues of Management Insights can be accessed at http://www.informs.org/site/ManSci/index.php?c=11&kat=Manawgement+Insights.
The other Insights in the current issue are:Inference from Streaks in Random Outcomes: Experimental Evidence on Beliefs in Regime Shifting and the Law of Small Numbers by Elena Asparouhova, Michael Hertzel, Michael Lemmon
The special MBA issue published by BusinessWeek includes Management Science and three other INFORMS journals in its list of 20 top academic journals that are used to evaluate business school programs. Financial Times includes Management Science and four other INFORMS journals in its list of academic journals used to evaluate MBA programs.About INFORMS
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Our brains house extremely complex neuronal circuits, whose detailed structures are still largely unknown. This is especially true for the so-called cerebral cortex of mammals, where among other things vision, thoughts or spatial orientation are being computed. Here the rules by which nerve cells are connected to each other are only partly understood. A team of scientists around Moritz Helmstaedter at the Frankfiurt Max Planck Institute for Brain Research and Helene Schmidt (Humboldt University in Berlin) have now discovered a surprisingly precise nerve cell connectivity pattern in the part of the cerebral cortex that is responsible for orienting the individual animal or human in space.
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Using ultrafast flashes of laser and x-ray radiation, scientists at the Max Planck Institute of Quantum Optics (Garching, Germany) took snapshots of the briefest electron motion inside a solid material to date. The electron motion lasted only 750 billionths of the billionth of a second before it fainted, setting a new record of human capability to capture ultrafast processes inside solids!
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For the first time, physicists have successfully imaged spiral magnetic ordering in a multiferroic material. These materials are considered highly promising candidates for future data storage media. The researchers were able to prove their findings using unique quantum sensors that were developed at Basel University and that can analyze electromagnetic fields on the nanometer scale. The results – obtained by scientists from the University of Basel’s Department of Physics, the Swiss Nanoscience Institute, the University of Montpellier and several laboratories from University Paris-Saclay – were recently published in the journal Nature.
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