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Author: Harry

Diagram Architect, consultant and content creator for Machinations. I help users in the game design space and beyond to simulate and stress-test their economic systems.

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18/03/2025 Harry

Limits to Growth Explained #3: Understanding the delayed effects of birth rate changes

About the Series This three-part series is inspired and informed by Limits to Growth and its subsequent editions. In it, we will explore systems dynamics questions, and use Machinations models to answer them. Our conclusions so far In our last Limits to Growth article, we used our model to understand why developed, post-industrial populations can decline: …

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12/03/2025 Harry

Limits to Growth Explained #2: Understanding what causes population decline

About the Series This three-part series is inspired and informed by Limits to Growth and its subsequent editions. In it, we will explore systems dynamics questions, and use Machinations models to answer them. In our first Limits to Growth article, we explored why the world’s population has grown. This time, we begin to explore what causes …

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12/03/2025 Harry

Limits to Growth Explained #1: Understanding what causes rapid population growth

About the Series This three-part series is inspired and informed by Limits to Growth and its subsequent editions. In it, we will explore systems dynamics questions, and use Machinations models to answer them. This time, the question relates to the human population: What exactly has caused the surge in population over the last several centuries? The …

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10/03/2025 Harry

Beyond Averages: How Monte Carlo Simulation Reveals the True Risks of Venture Capital Investing

The Danger of Averages One of the core and intractable challenges when simulating an uncertain future is the problem of quantisation: when an all-or-nothing outcome is distilled into an average that distorts the true meaning of the data. Though it’s often easier to say “Investing in this asset has an average return of 110%”, most …

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20/02/2025 Harry

Webinar: Why the “Lucky Catch” event in Merge Mansion is unbeatable

Understanding the Event and Showcasing the Problem Using Monte Carlo simulation powered by Machinations, I was able to determine that Merge Mansion’s original Lucky Catch event is unfinishable. Having played Merge Mansion quite avidly for over a year, I had plenty of opportunities to try out the seasonal Lucky Catch event, which is regarded rather …

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11/12/2023 Harry

Modeling in Machinations: Why Asking Quantitative Questions Matters

In our previous article on how to manage complexity in Machinations, we delved into the effective strategy of segmenting models as a means to manage complex projects using Machinations. Expanded on that concept, this article aims to guide you through the critical decisions of what (and what not) to model and how the right design …

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13/07/2023 Harry

How to Manage Complexity in Machinations

In the realm of game development and systems design, the ability to transform complex ideas into prototypes and simulations empowers designers to test their assumptions, refine design ideas, identify potential issues, and allows designers to assess the balance of game systems. Prototypes and simulations also serve as effective communication tools among the development team and …

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