The Growth of Doordash Advertising with Sponsored Search
When many Americans began quarantining in their homes in March of 2020, food delivery services skyrocketed. Businesses like DoorDash, Grubhub, and Uber Eats were at the spotlight of food delivery, but DoorDash has always been in the forefront of this crowded market. As of March 2021, DoorDash occupies an impressive 55% of the market share […]
Information Cascades in dating: Why some people seem to always be ‘in high demand’
Have you ever wondered why some people seem to always have someone pursuing them, even when you don’t think they are even that much of a catch? This strange phenomenon can be explained using the concept of information cascade learned in class. A study examining animal mating behaviors found that ‘females copy the mating choice […]
Netflix’s Depressing of the Power Law’s Long Tail
Source: https://nypost.com/2019/04/06/why-too-much-original-content-from-netflix-is-bad-for-subscribers/ Many groups of things in the world follow a power law distribution naturally. For example, the frequency of word usage in human languages: there is a small subset of words used extremely often e.g. the, a, or, but, and, would, etc. while a much larger proportion are used not-infrequently but orders of magnitude […]
Is Class Selection a Cascade?
All students at Cornell know about the struggles of Pre Enrollment. Picking out the classes ahead of time and lining them up on Student Center, clicking the little button, waiting forever for the spinning circle just to get the little red squares saying that the class is entirely full. With Pre Enrollment happening it is […]
Recent Rise in the Popularity of Anime
Growing up, there were always a few kids in school who seemed to be obsessed with this “weird” kind of T.V. called anime. I regularly saw memes about anime fans and general thought of them as strange kids. In recent years, I began exploring with the popular show Attack on Titan. I was totally gripped and […]
How social proof and herding effect become a marketing strategy
Link to article: https://techcrunch.com/2011/11/27/social-proof-why-people-like-to-follow-the-crowd/ In the current society influenced greatly by web information and networks, how people make decisions becomes a very important topic for scholars to investigate. Do people all follow the same set of algorithms? Do they make decisions based solely on their own experiences and thinking? In the Networks lectures, we […]
Prisoners’ Dilemma and Wall Street’s losses
Bill Hwang was the founder of the family office of Archegos Capital Management, however, in March 2021, during the period of two days, he lost $20 billion and imposed serious losses on several Wall Street banks. The incident started as Bill Hwang was engaged in TRS (total return swaps) with six Wall Street Banks; TRS […]
“How to Think Like an Epidemiologist”
Reading this article from the New York Times was really intriguing, especially during the time of COVID-19. It highlighted the statistical thinking behind many aspects of the virus. Although a lot of the article’s information was valuable and memorable, the one phrase that stuck throughout was “update your priors”, which is commonly used by epidemiologists […]
Bayes’ Theorem and COVID-19 testing
In class, we used Bayes’ Theorem in a multitude of different ways, from explaining the drawing of cards, to the picking of marbles, to even COVID testing. This article, Bayes Theorem and COVID-19 Testing, further expands on this idea, and gives some of the background on the theorem and how it is used in many […]
How Bayes Theorem Saved Millions of Lives During World War II
The application of conditional probability as a means of predicting state behavior has been incredibly valuable in numerous historic contexts. In particular, the use of the Bayes theorem in decrypting and intercepting Nazi messages during World War II was incredibly pivotal to the duration and severity of the war. British mathematician, Alan Turing, utilized the […]
« go back — keep looking »