Everything You Need to Know About the Clubhouse App, Including How to Get Invited

If you need an invitation to Clubhouse, but you don’t know anybody already on Clubhouse, then don’t worry!

Send us a brief description of your request to the GCR Administrator via the contact form, and they will invite you to Clubhouse. Please include your name and mobile phone number with your request.


Dear Reader,

The GCR Clubhouse has been suspended until we develop a more comprehensive social media program.
If you would like to help us with social media, please contact us. Your support is most welcome.


🌦️ Climate 🏭 Economics⏳ The Future

Join our weekly Clubhouse session.

Look out for our Clubhouse logo (see above).

It starts at 2 pm, and ends at 4 pm on Wednesdays, California (PDT, UTC-7). Check the timezone here.

Hosted by Jim McGreen, Beverly Zeigler and Delton Chen. Please read our Clubhouse Rules.

Jim McGreen
Bev Zeigler
Delton Chen

4 Comment(s)
  • Robert Haw Posted June 23, 2021 5:21 pm

    I need an invitation to join a clubhouse discussion.
    Please send me one.

  • Robert Haw Posted June 20, 2021 3:29 pm

    If the GCR floor price is evaluated using a probability distribution function which (in turn) is estimated from Integrated Assessment Models (IAM), what discount rate is used in running the IAMs?

    • Delton Posted June 22, 2021 5:50 am

      Hi Robert, when the proposed “carbon exchange authority” does the modelling assessments (i.e. when they hire experts to do the modelling assessments), those assessors will be tasked with simulating the various conventional policies that are most likely to be implemented in the future. For this reason, the assessors are not required to assume a time discount rate for the Social Cost of Carbon (SCC) because their work does not involve optimising the carbon tax (i.e. they do not need to estimate the ideal carbon tax). Their goal will be to estimate the floor price of a Global Carbon Reward that can shift the world to net-zero quickly enough to stay below an agreed maximum level of global warming (e.g. less than 2C with 67% probability).

    • Delton Posted June 22, 2021 5:51 am

      The models that they will use might be described as Integrated Assessment Models (IAMs) but their models will be designed and used somewhat differently to that which is needed to evaluate/optimise the carbon tax. Also, they might use other methods in addition to IAMs, because the methodology is different, and is based on risk assessments and cost effectiveness.

      Traditional IAMs that employ time-discounting are actually employing cost-vs-benefit analysis to estimate the SCC. (1) Cost-vs-benefit analysis and (2) cost effectiveness for risk management, are distinctly different decision-making approaches for policy development. Background on these two approaches is well described in some early IPCC reports, but the general public is not aware of these options because the “standard theory” does not offer an explicit reason to employ cost effectiveness for setting a price on carbon. Best, Delton

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