The network effect of eBay might seem like a natural monopoly in the making.
The value is in the network effect as more and more institutions sign up.
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This in essence is because of the network effect of the Internet as a distribution channel.
Money is already the most viral thing on the planet and the network effect exponentially reinforces that.
What we love about OpenTable is the barriers to entry it has created and the network effect it enjoys.
"Anything that extends the network effect of users and deepens the pool of content is a plus, " he said.
The network effect of one engaging tweet has the potential to be astonishing.
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Despite their name, therefore, they do not benefit from the network effect.
And because of the network effect required to fully utilize these services, they could help sell a heck of a lot more Apple gadgets.
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For example, securities exchanges benefit from the network effect because as they attract more traders they become better able to handle additional trading volume.
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Given that developers, providers and customers are finite, the network effect of stronger platforms will eventually starve weaker ones of these critical ingredients for success.
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Now, despite the many learned treatises written on the network effect, it remains unpredictable - what decides whether a joke goes viral, or an appeal for help remains unheard?
The network effect is the magic that grew AOL into a juggernaut (AIM), gave eBay an early monopoly on auctions, and has powered Facebook and Twitter to global dominance in recent years.
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Second, the assumption of one additional percent of growth over a 15-year period possibly overestimates the effect in the early years, but underestimates to a far greater degree in later years when the economy is larger, the penetration is higher and the network effect is greater.
When hunting for tech stocks, investors should consider not only traditional factors like valuation and income growth, but also the "network effect, " says Kishore Rao, a research principal with Sustainable Growth Advisers in Stamford, Conn.
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It is commonly believed that the big SMS network effect kicked in when about 20% of mobile phone users began texting each other in certain European countries in mid-Nineties.
The decline in performance was a result of decreased debit card spending as new regulations that govern the card network industry take effect.
With roughly 750m users, or 1 in 9 people on the planet, it benefits from a powerful network effect and looks well positioned (the greater the number of users, the greater the incentive for people to join and the higher the value of the network).
Researchers in the Canadian Network for Observational Drug Effect Studies (CNODES) performed a retrospective observational analysis of administrative databases in Canada, the UK and the US containing more than 2 million patients newly treated with statins. 59, 636 of the subjects already had chronic kidney disease.
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One interesting point about this observation is that it requires both a genetic input (the 7R variant) and an environmental one (the network of friends) to take effect.
Once these companies reach enough scale such that their algorithms can learn and improve based on the results of their own past decisions, a very powerful network effect kicks in that makes them tough to catch by copycats who lack the scale and history.
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But you will get Cerberus Network for Mass Effect 2 and the Online Pass for Mass Effect 3.
Well, Groupon used the disruptive tools available to every small- and mid-sized firm to gain a competitive advantage in the marketplace and capture that ever-elusive network effect.
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Looked at this way, Napster has, in effect, 40m servers and systems administrators, keeping the network's management and infrastructure costs to a minimum.
And it used this network to great effect for what became its biggest client: the Vatican, to which it brought the tithes and taxes due to Rome from other branches of the church commercial in Europe.
RFF's books, in effect writing off the infrastructure investment of building the high-speed network.
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