CAPM(Capital Asset Pricing Model) Assumptions Efficient portfolios are combinations of market portfolio and risk-free rates(Treasury bills) The expected return of an asset i must satisfy There is a linear tradeoff between risk and expected…

Question Answering Tasks in Machine Learning Question answering is one of the major problem sets in NLP, in a nut shell, this is simpler Reading Comprehension problem in GMAT or other types. There are multiple types of questions and texts,…

Principles for NPV calculation Project, project, project. Don't use company's CF, capital structure and cost of capital. Unlevered and Levered beta If you identified "pure boys", as I described in the following article, you need to be care…

7What are the components of MVBP? Value: end users can recognize the values of the product Pay: economic buyer can actually pay for the products Feedback: Through MVBP, you can collect feedback from users. MVBP of ATM ATM seems to be very …

What is overfitting? Overfitting occurs when the model has a high variance, i.e., the model performs well on the training data but does not perform accurately in the evaluation set. What is Overfitting in Deep Learning [+10 Ways to Avoid I…

Three things to consider When the company proceed M&A, what we should consider initially? Strategic benefits(Why?) Valuation(How much?) Execution(How?) Strategic benefits Why should we sell or buy a company? This is the most important ques…

Diversification Asset returns are quite unpredictable and some assets are correlated each other. Investors look for portfolios that maximize their returns with the least amount of risk. The main factors you need to consider when you build …

Torkenization What is Tokenization | Methods to Perform Tokenization Tokenization is essentially splitting a phrase, sentence, paragraph, or an entire text document into smaller units, such as individual words or terms. Each of these small…

Customer success matters because of sales growth Most of your revenue comes after the initial sale. Initial sale only generates 5-30 % of revenue and the rest, 70-95% comes from renewals and upsells. Create happy customers Leads from happy…

Three components of investment Strategy Valuation Execution The most common three methods used in valuation Calculate NPV by DCF method Earning multiple using P/E,EBIT and EBITDA Asset multiples using Book Value Steps to value projects by …

Fundamentals of startup finance Venture capital provides funds to build companies from the earliest stages to freestanding, mature organizations. Limited partners(LPs): institutional net worth investors providing capital to VC funds. They …

Presentation is a skill of charisma? In a short answer, No. Sometimes, too strong individual talent would worsen the delivery of messages and just deliver a positive impression of speakers. Do You Need Charisma to Be a Great Public Speaker…

To understand companies' sales strategy and status, I will write down comprehensive lists of interview questions. Understand numbers Besides economics, we need to understand "where is a bottle neck" Potential lead Qualified lead to sales D…

Peloton Peloton made toning your glutes feel spiritual. But should Jesus be part of the class? - The Washington Post Peloton is the major exercising kit and we studied its marketing and business strategy in early period. Who is the custome…

The basic structure of communciation Five interactive variables Communicator Message Channel Audience Culture Communicatio style When you should use tell/sell style? You have sufficient information You do not need to hear others' opinions,…

1. Become one with the data The more time you spend looking at the data the better you'll do. Find corrupt data, duplicates Real example: lots of training examples that say "please enable javascript to view this page" If 1% of your trainin…