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economics

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Model Perspective
Model Perspective
Apr 30, 2025 · Fundamentals

Why Log Returns Matter: Unlocking Simpler, Additive Financial Analysis

This article explains the concept of log returns, their mathematical advantages over simple returns, and how they simplify financial modeling, risk management, and option pricing in economics and finance.

economicsfinancial analysislog returns
0 likes · 8 min read
Why Log Returns Matter: Unlocking Simpler, Additive Financial Analysis
Model Perspective
Model Perspective
Apr 9, 2025 · Fundamentals

The Dangers of ‘Trump‑Style’ Modeling: How to Keep Math Models Honest

The article critiques the oversimplified “Trump‑style” and fabricated “Navarro‑style” economic models, exposing their lack of domain knowledge, ethical breaches, and misleading formulas, and argues for rigorous, transparent, and responsible mathematical modeling especially in the AI era.

AI ethicseconomicsmathematical modeling
0 likes · 8 min read
The Dangers of ‘Trump‑Style’ Modeling: How to Keep Math Models Honest
Model Perspective
Model Perspective
Apr 5, 2025 · Artificial Intelligence

Did AI Draft Trump’s Tariff Formula? A Deep Dive into ChatGPT’s Trade Model

The article examines media claims that Trump's April 2 tariff policy may have been generated by AI, reproduces ChatGPT's proposed reverse‑deficit tax model, compares it with the official USTR formula, and discusses the broader implications of AI as a parallel advisor in policy making.

AIChatGPTeconomics
0 likes · 7 min read
Did AI Draft Trump’s Tariff Formula? A Deep Dive into ChatGPT’s Trade Model
Model Perspective
Model Perspective
Feb 17, 2025 · Fundamentals

What Assumptions Shape Our Models of Human Decision-Making?

Understanding the underlying assumptions—whether humans are rational economic agents, emotion‑driven animals, socially constructed beings, gene‑driven organisms, or information processors—reveals why different disciplines model decision‑making differently and highlights each perspective’s insights and limitations.

Computer ScienceInterdisciplinarybiology
0 likes · 8 min read
What Assumptions Shape Our Models of Human Decision-Making?
Model Perspective
Model Perspective
Jan 23, 2025 · Fundamentals

Why Linear Algebra Powers AI, Graphics, Economics, Physics and More

This article explores how linear algebra—through matrices, vectors, and linear transformations—underpins diverse fields such as artificial intelligence, data science, computer graphics, economics, physics, engineering, and social network analysis, illustrating its practical impact on everyday technologies and scientific models.

Artificial Intelligenceapplicationscomputer graphics
0 likes · 8 min read
Why Linear Algebra Powers AI, Graphics, Economics, Physics and More
Model Perspective
Model Perspective
Dec 28, 2024 · Fundamentals

Unlocking Growth with the Von Bertalanffy Equation: From Nature to Business

The Von Bertalanffy growth equation models how organisms transition from slow to rapid to stable growth by balancing synthesis and decomposition, and its principles extend beyond biology to ecology, agriculture, economics, and personal development, highlighting growth as a dynamic equilibrium rather than endless acceleration.

Interdisciplinarybiologyeconomics
0 likes · 4 min read
Unlocking Growth with the Von Bertalanffy Equation: From Nature to Business
Model Perspective
Model Perspective
Oct 31, 2024 · Fundamentals

Why Opportunity Cost Is the Hidden Driver Behind Every Choice

The article explains how opportunity cost—defined as the foregone benefit of the next best alternative—guides decisions in investing, work, and daily life, illustrating its impact with simple calculations, personal examples, and timeless quotes to help readers recognize trade‑offs.

behavioral economicsdecision makingeconomics
0 likes · 3 min read
Why Opportunity Cost Is the Hidden Driver Behind Every Choice
Model Perspective
Model Perspective
Oct 8, 2024 · Fundamentals

Why Do People Spend Thousands on Luxury Bags? A Signaling Theory Perspective

The article uses the signaling model from economics and game theory to explain why individuals purchase expensive luxury handbags as a costly social signal that distinguishes wealth, explores equilibrium outcomes, and discusses broader applications of signaling in education, finance, and the marriage market.

economicsgame theoryluxury consumption
0 likes · 10 min read
Why Do People Spend Thousands on Luxury Bags? A Signaling Theory Perspective
Continuous Delivery 2.0
Continuous Delivery 2.0
Sep 20, 2024 · R&D Management

Why Teams Cheat on Bug‑Rate Metrics: Economic, Psychological, and Management Perspectives

The article examines how software teams manipulate bug‑rate metrics through various shortcuts, explains why cheating can appear rational from economic and psychological viewpoints, and offers management strategies to prevent and mitigate such behavior in large engineering organizations.

bug metricscheatingeconomics
0 likes · 14 min read
Why Teams Cheat on Bug‑Rate Metrics: Economic, Psychological, and Management Perspectives
Model Perspective
Model Perspective
Oct 24, 2023 · Fundamentals

Why Economists Rely on Logarithms: Simplifying Complex Relationships

Logarithms, a core mathematical tool, are widely used in economics to transform multiplicative and exponential relationships into additive linear forms, facilitating analysis of production functions, utility models, growth rates, and log‑log regression, thereby simplifying estimation and interpretation of complex economic phenomena.

economic modelingeconomicsgrowth rates
0 likes · 6 min read
Why Economists Rely on Logarithms: Simplifying Complex Relationships
Model Perspective
Model Perspective
Feb 23, 2023 · Fundamentals

Why Derivatives Matter: From Motion to Modern Science

Derivatives, the core concept of calculus, originated from Newton’s instantaneous speed, Leibniz’s tangent, and Fermat’s extremum problems, and are defined as the limit of a function’s change ratio, linking continuity, geometry, and physics, while finding extensive applications across science, economics, and biology.

applicationscalculusderivative
0 likes · 10 min read
Why Derivatives Matter: From Motion to Modern Science
Model Perspective
Model Perspective
Dec 31, 2022 · Fundamentals

What Can Ancient Roman Rebellions Teach Us About Game Theory?

This article uses the Iberian Peninsula rebellion and the classic Nim game to illustrate fundamental concepts of game theory, linking strategic decision‑making to economics and mathematics while providing clear examples and visual diagrams for deeper understanding.

HistoryNimeconomics
0 likes · 12 min read
What Can Ancient Roman Rebellions Teach Us About Game Theory?
Model Perspective
Model Perspective
Dec 8, 2022 · Operations

Why Bigger Packages Lower Per‑Gram Costs: A Simple Economic Model

This article builds a straightforward mathematical model to explain how increasing package size reduces the per‑gram cost of products by accounting for production, packaging, and transportation expenses, revealing diminishing savings as packages become very large.

Logisticscost modelingeconomics
0 likes · 5 min read
Why Bigger Packages Lower Per‑Gram Costs: A Simple Economic Model
Model Perspective
Model Perspective
Nov 15, 2022 · Fundamentals

How Mathematical Models Drive Economic Growth, Banking, and Market Decisions

This article explores how various mathematical models—such as linear, compound interest, annuity, and optimization frameworks—are applied to national economic analysis, banking operations, securities, insurance, consumer pricing, and production management, illustrating their role in forecasting, decision‑making, and improving market competitiveness.

Financeeconomicsinterest rates
0 likes · 9 min read
How Mathematical Models Drive Economic Growth, Banking, and Market Decisions
Model Perspective
Model Perspective
Oct 23, 2022 · Fundamentals

Essential Economic & Financial Data Analysis Tools: Python, R, Stata, and More

This article introduces major economic and financial data analysis tools—including Python with its scientific libraries, R, Stata, Matlab, EViews, SAS, and SPSS—detailing their origins, key features, typical applications, and where to find more information.

PythonRdata analysis
0 likes · 9 min read
Essential Economic & Financial Data Analysis Tools: Python, R, Stata, and More
Model Perspective
Model Perspective
Jun 28, 2022 · Fundamentals

Unlocking Decision-Making: How Utility Theory and Risk Evaluation Guide Choices

This article explains how utility theory and risk evaluation influence decision making, describing the concept of utility, different types of utility functions, and the Von Neumann‑Morgenstern method for constructing utility curves through psychological experiments.

decision analysiseconomicsrisk evaluation
0 likes · 13 min read
Unlocking Decision-Making: How Utility Theory and Risk Evaluation Guide Choices
DataFunTalk
DataFunTalk
Jun 27, 2020 · Artificial Intelligence

What AI Brings to Financial Investment: Limitations of Recommendation Models Compared to Live‑Streaming Commerce

The article examines the rapid growth of live‑streaming e‑commerce, explains the trust‑based dynamics of influencers, outlines standard recommendation‑system metrics such as accuracy, recall, diversity and explainability, and argues that these models fall short of long‑term user utility because they are driven by short‑term commercial goals, highlighting economic and neuroscientific perspectives on preference randomness.

Artificial IntelligenceMetricseconomics
0 likes · 13 min read
What AI Brings to Financial Investment: Limitations of Recommendation Models Compared to Live‑Streaming Commerce