Anipang and Kakaotalk
Launched in March 2010, KakaoTalk messenger revolutionized the world of global instant messengers for smart phone users. The key difference between KakaoTalk messenger and other applications is that KakaoTalk messenger only requires its users to insert their phone numbers without registering and logging-in. This new application grew exponentially among smart phone users and it acquired […]
The Diffusion of Innovation in College Recruiting
It is a well-known fact that high-powered Division I NCAA athletic teams have begun to push the pace for recruiting high school athletes. For top 10 ranked athletic teams that are competing to secure players from a selective list of top recruits, getting a leg up on the competition is becoming increasingly important. Due to […]
Network effect in Diablo 3
http://diablo.somepage.com/popular/ http://diablo.incgamers.com/forums/showthread.php?838539-Lets-take-a-look-at-Build-Diversity-viability-based-on-Popularity-Statistics As a human, people have desire to be distinguished and unique from their surroundings. However, in real environment, we are restricted by many factors such as one’s economic status and close friend’s prejudices. Therefore, this network effect to become distinguished in certain environment is somewhat limited. As these limitation and network effects […]
A new search engine is approaching!
http://www.dailymail.co.uk/sciencetech/article-1039539/Ex-Google-engineers-introduce-33-million-rival-search-engine-Cuil.html You need to search something, which search engine do you use? 62% use Google, 21% use Yahoo, and 8.5% use Microsoft. When doing a search most people will say that they use Google. Google provides links to almost any search one would have. It is hard for any other search engine to compare […]
Product Reviews and Information Cascades
In the text we were introduced to a simple herding experiment. We were given two urns, with 3 marbles in each one. One urn had a red majority (2 red marbles, 1 blue marble), while the other had a blue majority (1 red marble, 2 blue marbles). The first student selects a ball and makes […]
Information cascades in juries
In most courts around the world, the standard procedure for jurors to announce their decisions is a simultaneous vote. If jurors were to vote sequentially, there would be pressure from previous votes to align yourself with the group; an information cascade of conformity if you will. In other words, there is a social pressure to […]
Using Cascading Model to Explain Facebook’s Declining Stock Value
http://www.businessweek.com/articles/2012-05-18/nine-things-you-should-know-about-facebooks-ipo This article talks about the social network site Facebook’s IPO earlier this year. However, since then Facebook’s stock value has dropped from the initial $38 per share to about $20 per share on November 13, 2012. Its disappointing performance to investors could be partially explained by invoking the cascading model taught in class. In […]
victim of information cascade
The blog post “Arresting irrational information cascades” by Robert Wiblin explains what information cascade is and discusses the negative effect of the cascade on our rational beliefs. He also suggests a few ways to avoid such a cascade. His illustration of the cascade comes with Person A, B and C where Person A is a […]
Benefit of Cascades for the Few: a Controversial Look at Academia
In our course, INFO 2040: Networks, the idea of cascades is introduced in such a way that everyone has his or her payoff and it becoming greater if the cascade is a correct one. It is implied that everyone will benefit if people are in the correct cascade. Opposing this idea of collective welfare is […]
Network Effects and Minor Political Parties
Considering the recent U.S. elections, I was interested in applying what we’ve been learning to voting behaviors. I could not find any published articles analyzing voters’ decisions in this election, but I was able to find an analysis of the 2010 elections in Britain: http://www.envplan.com/epa/fulltext/a43/a43512.pdf This article discusses voters’ decision in a political environment with […]
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