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cap-and-trade in California

 
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emordnilap



Joined: 05 Sep 2007
Posts: 13822
Location: way out west

PostPosted: Tue Feb 03, 2015 5:58 pm    Post subject: cap-and-trade in California Reply with quote

Four Reasons California Cap And Trade Had An Extraordinary First Year

plus more info here.
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Shaun Chamberlin



Joined: 04 Feb 2007
Posts: 114
Location: London

PostPosted: Sun Feb 08, 2015 8:21 pm    Post subject: Reply with quote

Thanks emordnilap, an interesting read.

I'm a little confused though - the scheme presents itself as a true cap and trade scheme, with no 'safety valve' or other mechanism that undermines the solidity of the cap.

Yet there is a floor price, which implies that the price falling too low would be problematic for some reason. Do you know what problem the floor price avoids?

Cheers,
Shaun
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emordnilap



Joined: 05 Sep 2007
Posts: 13822
Location: way out west

PostPosted: Tue Feb 10, 2015 1:10 pm    Post subject: Reply with quote

I'm not that clever, Shaun.

However this, taken from EDF's (the Environmental Defence Fund, not the pollution giant) The EU Emissions Trading System: Results and Lessons Learned, might explain.

Quote:
Prior to the adoption of the EU ETS, some commentators recommended that the EU firmly set price ceilings to reduce market instability. The EU wisely resisted such restrictions, since price ceilings effectively “bust the cap” by allowing an unrestricted number of allowances to be issued when a certain price is reached. Basing the bankability of allowances on verified emissions reduced allowance volatility without resorting to price controls.

The EU also avoided price floors in the market. Politically, adopting price floors makes it hard to resist adopting price ceilings as well. Furthermore, floors may raise the costs of achieving emission reductions without improving total carbon abatement—if firms must pay a minimum price above the actual cost of achieving emission reductions, the price of meeting the cap is artificially high. Increasing the cost of carbon reduction in this manner is contrary to the proper function of cap-and-trade programs, which allow the market to ferret out the cheapest means of meeting a carbon cap.

California’s proposed carbon trading system highlights an innovative alternative mechanism for reducing price volatility. California will automatically place 1% of its allowances into a price containment reserve (this percentage grows to 7% by 2018). Allowances in this set-aside are given a fixed annual price that escalates predictably. The availability of the set-aside as a source of fixed-price permits achieves the same stabilizing effect as a price ceiling, but it doesn’t bust the cap by allowing unlimited allowances at that price.

Further, California sets a minimum price for auctioning its allowances (starting at $10 per ton), with any unsold allowances offered for sale at a later auction. However, over-the-counter trades between allowance holders are permitted at any price. This contrasts with a strict price floor for over-the-counter trades, which would increase the risk of traders holding illiquid allowances that a price floor prevents them from trading. The fear of being unable to trade the allowances would decrease their value further, increase the risk of holding allowances, and discourage participation in the market. California’s alternative design avoids the risks of a strict price floor on trades.
Along with other cap-and-trade design elements such as the EU’s allocation of allowances for longer trading periods and a declining cap, banking and associated concepts such as allowance price reserves create incentives for firms to invest in emission reductions early and efficiently while also reducing price volatility.

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Shaun Chamberlin



Joined: 04 Feb 2007
Posts: 114
Location: London

PostPosted: Tue Feb 24, 2015 5:24 pm    Post subject: Reply with quote

Hmm, most interesting - thanks Emordnilap!
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