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Recommendation systems are at the core of Web 2.0 acting like “virtual” salespersons, which collaboratively filter and propose products to consumers of Web stores. This article, investigates the Amazon co-purchase network, which is formed by every recommendation of the top selling products...
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competition among counties. The present paper highlights the situation in which the citizens of two countries have the opportunity …
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changes in competition in the United States. The sector offers workplace employee representation through trade union branches … Productivity (TFP) than incumbents. Increased competition from new entrants leads incumbents to reduce the price of union …. Those with higher TFP have higher survival probabilities. However, increased competition does not induce incumbents to raise …
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