Summary | Paul Milgrom (2019) Auction Market Design Recent Innovations

The journey begins with Google’s sponsored search business. When Google developed the PageRank algorithm, it not only ranked results but also recommended the most relevant ones to users. Simultaneously, it charged advertisers to display their ‘sponsored’ results atop those organic outcomes. This business model, which underpins our ‘free’ internet today, grew from nonexistence in 2000 to becoming the biggest and possibly most influential business globally, amassing over 600 billion USD in volume worldwide....

August 28, 2024

PuLP with Gurobi on the side

Using Gurobi and PuLP for LP: import pulp Retrieves a solver interface for Gurobi using PuLP. It allows one to use Gurobi as the solver when defining optimization problems in PuLP: solver = pulp.getSolver('GUROBI') Silence pulp solving console output: pulp.LpSolverDefault.msg = 0 Setup the model with variables, objectives and constraints # Initialize the LP model K = 3 B = 4 model = pulp.LpProblem("model_name", pulp.LpMaximize) z = pulp.LpVariable.dicts("z", range(K), lowBound=0) # Objective function model += pulp....

August 27, 2024

One Year of Blogging

A Journey Through Ideas, Insights, and the Occasional Podcast-Induced Breakfast Yawn.

August 26, 2024

the table act of B for Busy (2021)

This is my favourite act in “B for Busy”. From 34’ to 46'. Three ladies gathered around Mr.B’s dinner table for a delightful and demure conversation. It starts from a beautiful shots of the making of clasical homemade Shanghai cuisine, then right to the dinner table, seats Mr. B’s ex-wife and lovers of an exhilariting conversation that fully showcase the excellency of screenwriting and mastery acting. And here’s the very original source of the viral debate about...

August 25, 2024

HTML | basic concept

Hypertext Markup Language (HTML) code is the foundational language for creating and structuring content on the web. It defines and presents elements, like headings, paragraphs, images, etc. When one enters a URL or open an HTML file in a web browser, the browser processes the HTML code, applies CSS for styling, and executes any JavaScript. This results in a visual representation of the web page that one can see and interact with....

August 24, 2024

Vintages and Vogue | the blend of 'B for Busy' and 'sideways'

The films “B for Busy” (爱情神话) (2021) and “Sideways” (2004) share striking similarities that go beyond their surface narratives. Sideways (2004) and B for Busy [爱情神话] (2021) At their heart, both movies delve into the nuanced journey of relationships, weaving tales where characters meet, bond, fall in love, or drift apart. One man’s vacation can morph into another’s pivotal life journey or ending. As the stories unfold, some characters evolve, others remain unchanged but ready to move on, or, story put on holds, as friendships peaked as people continue their lives elsewhere....

August 23, 2024

Sideways (2024) | no spoiler ver.

Sideways is a movie about wine. “Two men reaching middle age with not much to show but disappointment, embark on a week-long road trip through Californiaʼs wine country, just as one is about to take a trip down the aisle.” source: Amazon The movie was a huge success on a petite budget. It was made on a $16 million budget but earned over $100 million at the box office worldwide. The movie has 5 nominations and won “best adapted screenplay” at the 77th Academy Award (2005)....

August 22, 2024

resize image with HTML code

When working with images in blog, one might need to adjust image size to fit different layouts and screen sizes. Here’s the hack: (delete the space at after double {{) {{ <figure align="center" src="/path/pic_name.jpeg" caption="caption_text" width="50%">}} Or, by pixel size: {{ <figure align="center" src="/path/pic_name.jpeg" caption="caption_text" width="300px">}}

August 21, 2024

Summary for Drakopoulos et al (20'MS) | Persuading Customers to Buy Early: The Value of Personalized Information Provisioning

Here’s a summary of the paper Persuading Customers to Buy Early: The Value of Personalized Information Provisioning, by Kimon Drakopoulos, Shobhit Jai and Ramandeep Randhawa, published online @ Management Science, in 2021. The paper studies the persuasion and pricing problem for a seller with informational advantage about its inventory level. Model: a seller sells a single good over two period to unit-demand buyers, out of inventory $Q$. The inventory level might be low (type L) or high (type H)....

August 20, 2024

Horowitz's recitals

Apple music classical has a marvelous collection of Vladimir Horowitz’s piano recitals—all the years, all the remarkable concert halls and performance: Vladimir Horowitz: The Unreleased Live Recordings 1966-1983 This recording CD costs minimum of $250 on Amazon, but now it’s free and available in highest possible stereo quality on Apple Music Classical. Run, Rach lovers. Vladimir Horowitz: The Unreleased Live Recordings 1966-1983 is an extensive collection of 50 CDs, documenting Horowitz’s live performances across 17 years....

August 19, 2024