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NewEconomicThinking
NewEconomicThinking·April 27, 2022

Misdiagnoses and False Solutions: Why Conventional Economics Has Failed on the Climate Crisis

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Summary

The year 2021 marked a critical watershed for the climate crisis, characterized by escalating natural disasters like wildfires, floods, and record-setting heat globally, alongside the urgent warnings from the IPCC's Sixth Assessment Report. Despite widespread awareness and pledges, global emissions have persistently risen, with G20 countries investing more in fossil fuels than clean energy even during the pandemic. The planet has already warmed by 1.1°C, and current trajectories lead to over 3°C of warming. The concept of a "carbon budget" reveals a stark reality: for an 83% chance of staying within 1.5°C, humanity has only 300 gigatons of CO2 remaining, implying fewer than eight years to reach net-zero emissions, a task made even more stringent for wealthy nations given historical inequities in pollution.

The podcast critically examines three major flaws in conventional approaches to the climate crisis. First, "technocentrism" or "techno-fetishism" assumes technology alone will suffice. While necessary, technology is not sufficient due to phenomena like rebound effects (e.g., increased energy consumption despite efficiency gains) and the tendency for renewables to complement rather than fully substitute fossil fuels without demand control. Furthermore, access to new technologies exhibits historic inequities, and state intervention is crucial for infrastructure development, setting standards, providing incentives, and controlling energy demand. The tech-centric view also risks pushing dangerous geoengineering solutions and fails to address the underlying power dynamics of who benefits from continued pollution.

Second, the dominant diagnosis of "collective action failure" (rooted in game theory's free-riding problem) is deemed a misdiagnosis. The argument that 193 countries cannot coordinate is undermined by the fact that a small number of countries are responsible for the vast majority of emissions, and many countries/regions have taken unilateral climate actions (e.g., EU, California, China). Instead, the problem is identified as an "interest problem," driven by powerful fossil fuel companies and their allies who actively resist decarbonization and capture governments. This inaction also has a profound racial component, with white populations in the Global North being "legacy polluters" while populations of color in the Global South disproportionately suffer the harms.

Third, the belief that "markets can do it all" through carbon taxes or markets is challenged. While these might have worked decades ago, the required price today would be too disruptive, markets take too long to mature, and demand may not be sensitive enough to price signals. Carbon taxes have also faced public backlash (e.g., Australia) and have been constrained by vested interests (e.g., Norway), sometimes serving as a diversionary tactic for fossil fuel companies. The podcast also critiques the underlying cost-benefit analyses, particularly William Nordhaus's Integrated Assessment Models (IAMs), which are accused of massively underestimating climate impacts (damage functions), ignoring dangerous tipping points, and overstating the costs of emission reductions. The episode concludes by echoing Nicholas Stern's critique that economists have "grossly undervalued the lives of young people and future generations" and calls for a fundamental shift in approach, emphasizing commensurate government intervention to address this "existential market failure" and confront the powerful interests preventing change.

Key Quotes

2021 may well prove to be a watershed with respect to the climate crisis.
The globe has experienced just over 1 degree centigrade of warming already and we're feeling it in many ways but this is just the beginning.
We have fewer than eight years to reduce carbon emissions to zero and since global equity requires that poor countries rightly should have a larger share that makes the task for wealthy nations even more stringent.
Technology is necessary but hardly a sufficient response to climate change.
The absence of climate action is not because countries or groups within countries want it but can't figure out how to cooperate to get it it's because there are powerful interests including countries who really don't want to decarbonize.
Climate in action is due more than anything else to the economic and political power of these companies.
A carbon tax or market is inadequate and may even be the wrong way to go.
Economists have "grossly undervalued the lives of young people and future generations" and are guilty of "cavalier treatment of risk and missing very rapid technical progress".
Climate change is the biggest market failure of all time in fact it's the existential market failure it will only be solved by a commensurate intervention by the government.
We need a whole new approach let's hope economists are more willing to follow stern's lead this time than 15 years ago when he issued his landmark report.

Concepts

Themes

  • Urgency of climate action
  • Critique of conventional economic approaches
  • Role of technology in climate solutions
  • Political economy of climate change
  • Social and environmental justice
  • Government intervention vs. market mechanisms
  • Misinformation and vested interests
  • Intergenerational equity

Related to:

Economics Insights

Market Implications

  • Carbon tax disruption, market maturation time, demand insensitivity, fossil fuel company lobbying, overestimation of costs and underestimation of benefits in environmental cost-benefit analysis.

Key Concepts

  • Carbon budget, externality, collective action failure, integrated assessment models, damage functions, rebound effects, network externalities, co-benefits.

Data Cited

  • 1.1°C warming, 3°C+ path, 300 gigatons CO2 budget, 40 gigatons/year emissions, 150 mph winds, 50°C local temps, 28% AC efficiency increase, 37% AC energy consumption increase, 20-40% microeconomic rebounds, 70-80% public support for renewables, 135-5500 USD/ton carbon tax estimates.

Practical Applications

  • State policy for renewables, controlling energy demand, government intervention for infrastructure, addressing power imbalances, expanding green innovation.

Risks Mentioned

  • Geoengineering, market disruption from high carbon taxes, public backlash to carbon taxes, unintended consequences of technology (e.g., Colombian Exchange), hot house earth scenario, loss of human habitation in tropics, sea level rise, agricultural zone unproductivity, increased inequality from disaster aid.

Economic Models Critiqued

  • Integrated Assessment Models (IAMs) by William Nordhaus, specifically for mis-specifying the relation between temperature and GDP, ignoring tipping points, and overstating emission reduction costs.

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