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ZhiZhi Gewu

The Art and Science of Decision Making (Credit Risk)

The Art and Science of Decision Making (Credit Risk)

Originally post in: https://kychanbp-credit-risk-mgmt-fintech.readthedocs.io/en/latest/fundamentals/decision_making.html TL;DR Credit risk management involves complex decision-making, often driven by experience rather than innate ability. This article explores how reinforcement learning (RL) can provide a scientific framework for these decisions, focusing on trial-and-error search and delayed

Mexico's Economic Landscape: Size, Sectors, Income Distribution, Industries and Economic Base

Mexico's Economic Landscape: Size, Sectors, Income Distribution, Industries and Economic Base

The Size of the Economy Mexico is the 12th largest economy in the world by GDP (PPP). Table: GPD (PPP) (Millions of current international dollars) by Country Rank Country (or territory) IMF Forecast (2024) World Bank Estimate (2023) CIA Estimate (2020) 1 China 35,291,015 34,643,706 23,

Exploring Complexity and Intelligence: A Curated Reading List

Exploring Complexity and Intelligence: A Curated Reading List

Lately, I've been delving into the concept of Complexity and its connection to learning and intelligence. I came across a website called LessWrong, and I've been engrossed in its dense and informative content. I want to take notes on some of the interesting articles I'

[Write to Learn] Minimal Description Length and Kolmogorov Complexity

[Write to Learn] Minimal Description Length and Kolmogorov Complexity

Recently, the concept of compression and learning has piqued my interest, as discussed in a previous blog post. To explore this further, I've chosen to delve into Peter Grünwald's tutorial note, "A Tutorial Introduction to the Minimal Description Length Principle," with the intention of

Learning <=> Compression <=> Prediction

Learning <=> Compression <=> Prediction

Introduction Occasionally, I will contemplate the meaning of learning. I learned very early that learning is not memorisation. One of the reasons is that I hate memorising facts without understanding them. Also, thanks to the Hong Kong education system, there is no need to memorise many facts as equations and

[Book Summary] Guns, Germs, and Steel--From Food to Guns, Germs, and Steel

[Book Summary] Guns, Germs, and Steel--From Food to Guns, Germs, and Steel

The Core Arguments * When the human population became sufficiently large and dense, and the rise of livestock and agriculture led to the development of infectious diseases, the spread of these diseases became a significant factor in human history. * Early writing served the needs of political institutions. It was never developed

[Book Summary] Guns, Germs, and Steel--The Rise and Spread of Food Production

[Book Summary] Guns, Germs, and Steel--The Rise and Spread of Food Production

The Core Arguments * Domestication as a Driver of Development: Jared Diamond posits that the availability of domesticable plants and animals is the key factor explaining disparities in human development. * Global Patterns of Food Production: Food production emerged independently in several regions, including the Fertile Crescent, China, Mesoamerica, the Andes, and