Herding in Financial Markets
In making a decision, individuals have access to private information and public information. We do not have access to others’ private information and so we must use what we can observe as a signal of what their private information might be. When we make a decision that goes against what our own private information, this […]
Ad Blocker and Advertisement Slots
In a world of online advertising there is a constant struggle between websites, who sell advertising spots, and advertisers, who buy these spots hoping to reach consumers, and consumes who have no interest in their shows and games being interrupted by unwanted ads. As someone who watches all my television shows through channels online websites, […]
Programmatic advertising is preparing for the first-price auction era
https://digiday.com/marketing/programmatic-advertising-readying-first-price-auction-era/ In this news article, the author argues that although second-price auctions have been the “underpinning of programmatic”, some programming advertising companies have started to experiment with first-price auctions because second-price auctions have been called out for lack of transparency. The benefit of second-price auctions over first-price auctions is that the bidders know exactly that […]
Netflix Stock Volatility and Information Cascades
One place information cascades are very common is the stock market. In theory, the stock market is a form of “objective collective judgment” that values companies based on fundamental company actions. However, we see in practice that the stock market is much less rational, and is just as subject to ‘hype’ as any other […]
Building a Brand and Marketing through Targeted Ads
It’s not easy to build a brand from scratch. In the pre-internet era, marketing was reserved for large marketing agencies that placed advertisements on billboards, television, and radio. However, since the advent of the internet, the possibilities of marketing and building a brand have increased dramatically. Social media has helped to target the groups and […]
The Black Box of Neural Networks
https://www.wired.com/story/new-theory-deep-learning/ The article above discusses how some researchers and computer scientists have theorized what is behind the “black box” of neural networks. A neural network is often what is used in machine learning to narrow down many possible options to one outcome. As the article shows, an example is if an image of a dog […]
Flaws in Google’s Top Stories Algorithm
Sources: https://www.theverge.com/2017/10/3/16413082/google-4chan-las-vegas-shooting-top-stories-algorithm-mistake http://www.cs.princeton.edu/~chazelle/courses/BIB/pagerank.htm After the Las Vegas shooting earlier this month, it became clear that while Google has developed a very powerful search engine, it is nowhere near perfect. Following the event, a search of what occurred would first return links to two 4Chan articles, which both incorrectly identified the shooter. Google’s engine evaluates […]
Using PageRank to Rank Boxers
https://www.insidescience.org/news/using-math-rank-boxers As discussed in lecture, Google’s PageRank algorithm is best known for its ability to retrieve the most relevant webpage for what’s being searched. I understood why PageRank was so important, especially in terms search engine optimization, but I wondered what other real world applications PageRank could assist with. That’s when I discovered Yuen Yiu’s […]
Information Cascades in the Real World
Source: https://www.economist.com/blogs/democracyinamerica/2011/10/mass-movements This Economist article discusses the topic of information cascades and how they happen in the real world. The article starts out by describing how information cascades work in the stock market– when people start buying a certain stock, other buyers follow suit, thus raising the price of the stock. Similarly, when people start selling, […]
New Auction App debuting in Major Sports Arenas
http://www.venuestoday.com/news/detail/inaugural-dropit-auction-debuts-in-phoenix There has been a recent burst in popularity over a New Zealand based app called Dropit which is an app that connects fans to a live auction taking place during half time or at some point during sporting events. It gives the fans a chance to get involved during the down times of […]
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