Dr. Doug Cardell

An Eclectic Economist Explains Evidentiary Economics

Clear Thinking in a Complicated World

“Ideology asks for acceptance—Intelligence asks for evidence.”
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Ecology and Economy

Dr. Doug Cardell

An Eclectic Economist Explains Evidentiary Economics

Clear Thinking in a Complicated World

“Ideology asks for acceptance—Intelligence asks for evidence.”
Why Socialism Struggles book cover
Buy Dr. Cardell's Book

Why Socialism Struggles

by Dr. Doug Cardell

   June 19, 2026

Ecology and Economy:
How What We’ve Learned from Nature Applies to Markets

In the early 1900s, the success of reductionist science, interchangeable parts, and assembly lines made us arrogant. We began to believe that all the world was nothing more than a giant machine and that we could learn to manipulate it by turning the right knobs and pulling the correct levers. We developed a ‘we can fix it from the top down’ worldview. We began implementing government programs using ‘experts’ to manage ecosystems, the economy, and society itself. Of course, the ‘experts’ coming out of universities relished in their newfound power, so the universities began to focus on turning out experts to keep the ball rolling. This series of articles will explore the catastrophic results of our pretentious interventions in the environment and the as-yet-unadmitted failures of our conceited interventions in the economy.

Over the last century, we learned a painful lesson: nature is too complex for us to manage. We tried to manage nature and failed dismally. We suppressed fires, straightened rivers, killed predators, fertilized everything, drained wetlands, and engineered landscapes. We approached ecosystems as if they were simple mechanical systems with interchangeable parts, dials we could read, and knobs we could turn. They are not!

Every attempt to “fix” nature created new problems, often worse than the ones we set out to solve.

Eventually, we learned a humbler approach. We stopped trying to manage ecosystems and started trying to protect them—mostly from ourselves. We discovered that when we stop interfering and prevent others from interfering, nature stabilizes, heals, and thrives.

But we have yet to generalize what we’ve learned from the environment to other complex systems.

The economy.

We still treat the economy the way we treated forests in the 1920s: as something we can optimize, steer, and control. We still believe that if we just find the right experts, the right levers, the right models, we can “manage” millions of independent actors making billions of decisions in real time.

We don’t recognize the pattern because the subject matter is different. But the structure is the same. Both are chaotic, spontaneously ordered systems beyond human control.

Economies are another form of ecosystem. And the same humility that saved our forests, rivers, and wildlife may be the only thing that can save our economic systems from the unintended consequences of well‑meaning interference.

This article introduces the idea. The rest of the series will explore each part in depth.


Nature as a Complex Adaptive System

The first step is to understand what we learned from the natural world.

Ecosystems are not machines. They are not linear. They are not predictable. They are not controllable in the way human planners once imagined. They are chaotic, complex adaptive systems that are spontaneously ordered. They are characterized by webs of relationships, feedback loops, and interdependencies that evolve without central direction.

A forest is not “trees.”

A river is not “water.”

A prairie is not “grass.”

Each is a dynamic network of organisms, nutrients, flows, predators, prey, microbes, and energy cycles. Change one part, and the other parts adapt and shift in ways we rarely anticipate.

This is why ecological interventions so often fail.

  • Suppress small fires → fuel accumulates → catastrophic megafires.
  • Kill wolves → deer explode → vegetation collapses → rivers erode.
  • Channelize rivers → floods intensify downstream.
  • Introduce “helpful” species → invasive species take over.
  • Overuse fertilizer → dead zones in oceans.

All of these interventions, however well-intentioned, made things worse.

The lesson was not ideological. It was empirical.

We don’t understand enough to manage nature or any other complex systems.


What Actually Works in Environmental Policy

After decades of failure, environmental policy shifted from “control the system” to “protect the system.”

Instead of trying to engineer outcomes, we focused on:

  • preventing pollution
  • preserving habitats
  • limiting destructive interference
  • restoring natural feedback loops
  • undoing past damage (like reintroducing wolves)

This approach works because it aligns with how complex systems function.

Nature doesn’t need us to manage it; it needs us to stop breaking it.

The best environmental policy is not micromanagement. It is non‑interference plus protection.

This is the key insight that will carry through the entire series.


Economies Are Also Complex Adaptive Systems

Now we’ll begin to study the economy as a parallel system.

Economies are not machines either. They are not equations. They have no levers and dials.

They are ecosystems of human behavior, and they, too, are spontaneously ordered.

Millions of individuals, each with local knowledge, personal incentives, and unique circumstances, interact through prices, markets, contracts, and competition. These interactions create emergent order—patterns that no one designed, but everyone participates in.

Just like ecosystems, economies have:

  • feedback loops
  • nonlinear responses
  • unpredictable second‑order effects
  • self‑regulating mechanisms
  • decentralized information
  • evolutionary dynamics

And just like ecosystems, economies resist central control.

When governments attempt to “manage” the economy, they run into the same problem that ecologists faced in the 20th century: the system is too complex for humans to understand well enough to control.


A System Dynamics Lens

As someone trained in system dynamics at MIT, I learned early that the most important approach in understanding complex systems is recognizing that very different phenomena can share the same underlying structure.

A rabbit population and money in a bank account look unrelated—one is biology, the other is finance—yet both follow the same exponential growth curve. Predator–prey cycles mirror business cycles. Forest regrowth after a fire mirrors economic recovery after a recession. A housing shortage behaves like a resource bottleneck in an ecological food chain.

These parallels aren’t poetic; they’re structural.

System dynamics teaches a simple but profound truth:

When two systems share the same feedback loops, delays, and reinforcing mechanisms, they behave the same way—even if the surface details differ.

This is why ecological and economic interventions fail for the same reasons: They disrupt feedback loops we don’t fully understand. As stated in the opening paragraph, we don’t recognize the pattern because the subject matter is different. But the systemic structure is the same. Ecosystems and economies are not just similar—they are different instances of the same class of system.


Economic Interventions Mirror Ecological Mistakes

The parallels are striking.

  • Price Controls → Fire Suppression
    Price ceilings suppress the “small fires” of price signals. The result is housing shortages—economic megafires.
  • Subsidies → Artificial Feeding
    Subsidies artificially support industries, much as feeding wildlife disrupts natural selection. The result is dependency, inefficiency, and fragility.
  • Tariffs → Blocking a River
    Tariffs redirect economic flows the way dams redirect water. The result is stagnation, retaliation, and distorted trade patterns.
  • Bailouts → Protecting Weak Species
    Bailouts prevent natural economic selection. The result is moral hazard, the survival of the least efficient, and disadvantaging the more efficient.
  • Regulatory Capture → Invasive Species
    Powerful firms shape regulations to entrench themselves. The result is reduced competition and systemic imbalance.

In every case, the intention is good.

In every case, the outcome is worse than the problem it aimed to solve.

The pattern is identical to ecological mismanagement.


What Actually Works in Economic Policy

If economies are ecosystems, then the lesson from nature applies directly:

Don’t manage the system. Protect the system.

That means:

  • enforce contracts
  • prevent fraud
  • stop coercion
  • maintain the rule of law
  • ensure open competition
  • protect property rights
  • prevent monopolies created by favoritism
  • maintain stable, predictable rules

These are the economic equivalents of:

  • preventing pollution
  • protecting habitats
  • stopping poachers
  • preserving natural flows

They don’t try to manage outcomes. They protect the conditions under which the system can manage itself.

This is not “deregulation.” It is not laissez-faire capitalism. It is non‑interference with guardrails—the same approach that saved our ecosystems.


Undoing Harm vs. Managing the System

One of the most important distinctions in environmental policy is the difference between intervening and undoing the consequences of past interventions.

Reintroducing wolves is not an intervention; it is the removal of the distortion created by killing them in the first place.

The same distinction applies to economics.

Eliminating price controls is not an intervention; it is the removal of the artificial constraint that caused shortages.


The Deeper Lesson: Humility

Both ecology and economics punish arrogance.

The planner’s fallacy is the same in both domains:

  • “We understand enough to control this.”
  • “We can predict the outcomes.”
  • “We can optimize the system.”

But complex systems don’t respond to intentions. They respond to incentives, feedback, and interactions we can never map well enough to be effective.

Humility is not an ideology. It is a survival strategy. It keeps the natural world, or the economic world, from disaster.

The lesson from nature is simple: when we try to manage complex systems, we break them; when we protect them from harm, they thrive.

It is time to apply that lesson to the economy.


What This Series Will Explore

This opening article sketches the architecture. The rest of the series will explore each pillar in depth:

  • What Nature Taught Us
  • The Only Environmental Policy That Works
  • Economies as Ecosystems
  • Economic Interventions That Backfire
  • The Principle of Non‑Interference in Economics
  • Undoing Harm: The Wolf Analogy for Markets
  • A Philosophy of Humility

This series is not about ideology. It is about learning from the one complex system we finally learned to respect: nature.

If we apply the same humility to the economy, we will find that prosperity, like biodiversity, flourishes best when we stop trying to control it and start trying to protect it.

Quick Quiz

Question: Someday humans will be able to control and manage complex systems.




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