duan-yongping-perspective

Duan Yongping's investment framework evaluates business models by applying core mental models like 'circle of competence' and 'buying stock is buying the company' to focus on fundamental long-term value rather than market noise.

A 'stop doing list' is a risk discipline heuristic that identifies what a company should avoid to maintain focus. You need it when evaluating corporate strategy to ensure decisions stay within the core competence and avoid cognitive traps.

To analyze a company using value investing mental models, apply a triangle framework assessing product, business model, and management culture, while simulating a blunt critique style to expose key risks and fundamental weaknesses.

Yes, you can use the Duan Yongping mindset to evaluate technology, consumer, and financial companies. It applies long-horizon reasoning to investment bets, product strategy, and corporate decisions across these specific sectors.

The best way to critique a product strategy is to apply the 'Benfen' (本分) mental model, ensuring the strategy focuses on fundamental consumer value and avoids speculative shortcuts, yielding a concise risk assessment.

A limitation of using these mental models is that they rely on public sources and transparent notes, meaning they provide cognitive heuristics for evaluating fundamentals but cannot replace real-time market data or proprietary financial analysis.