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Implementing suggestions for trading #6

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b711406
Implementing suggestions: renaming switches everywhere, using cm_perm…
lecfab Mar 2, 2026
df20362
update realisation description
lecfab Mar 2, 2026
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8 changes: 4 additions & 4 deletions main.gms
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Original file line number Diff line number Diff line change
Expand Up @@ -812,21 +812,21 @@ parameter
*' * (3): all GHG excl CO2 emissions from LULUCF
*'
parameter
cm_permittradescen "scenario on permit trade"
cm_permittradescen "Scenario on permit trade, not used in the TradingOnRef realisation"
;
cm_permittradescen = 1; !! def = 1 !! regexp = [1-3]
*' * (1): full permit trade (no restrictions)
*' * (2): no permit trade (only domestic mitigation)
*' * (3): limited trade (certain percentage of permits)
*'

parameter
cm_permitTradeFinalYr "Year until permit trading is allowed"
cm_permitTradeFinalYr "[TradingOnRef] Year until permit trading is allowed"
;
cm_permitTradeFinalYr = 2100; !! def = 2100
*'

parameter
cm_permitTradeRatio "Percentage of restricted permit trading"
cm_permitTradeRatio "[TradingOnRef] Share of emissions allowed for permit trading between 0 and 1"
;
cm_permitTradeRatio = 0.2; !! def = 0.2
*'
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4 changes: 2 additions & 2 deletions modules/41_emicapregi/AbilityToPay/not_used.txt
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Expand Up @@ -10,5 +10,5 @@ pm_gdp_gdx, parameter, ???
pm_budgetCO2eq, parameter, ???
vm_co2eqGlob,input,questionnaire
cm_emiscen,input,questionnaire
cm_pemittradefinalyr, input, ???
cm_pemittraderatio, input, ???
cm_permitTradeFinalYr, input, ???
cm_permitTradeRatio, input, ???
4 changes: 2 additions & 2 deletions modules/41_emicapregi/CandC/not_used.txt
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Expand Up @@ -13,5 +13,5 @@ pm_budgetCO2eq, parameter, ???
pm_shPPPMER,input,questionnaire
pm_gdp,input,questionnaire
cm_permittradescen,input,questionnaire
cm_pemittradefinalyr, input, ???
cm_pemittraderatio, input, ???
cm_permitTradeFinalYr, input, ???
cm_permitTradeRatio, input, ???
4 changes: 2 additions & 2 deletions modules/41_emicapregi/GDPint/not_used.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -13,5 +13,5 @@ pm_budgetCO2eq, parameter, ???
pm_shPPPMER,input,questionnaire
pm_gdp,input,questionnaire
cm_permittradescen,input,questionnaire
cm_pemittradefinalyr, input, ???
cm_pemittraderatio, input, ???
cm_permitTradeFinalYr, input, ???
cm_permitTradeRatio, input, ???
4 changes: 2 additions & 2 deletions modules/41_emicapregi/POPint/not_used.txt
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Expand Up @@ -11,5 +11,5 @@ vm_Mport,input,questionnaire
pm_shPPPMER,input,questionnaire
pm_gdp,input,questionnaire
cm_permittradescen,input,questionnaire
cm_pemittradefinalyr, input, ???
cm_pemittraderatio, input, ???
cm_permitTradeFinalYr, input, ???
cm_permitTradeRatio, input, ???
4 changes: 2 additions & 2 deletions modules/41_emicapregi/PerCapitaConvergence/not_used.txt
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Expand Up @@ -12,5 +12,5 @@ vm_co2eqGlob,input,questionnaire
pm_shPPPMER,input,questionnaire
pm_gdp,input,questionnaire
cm_emiscen,input,questionnaire
cm_pemittradefinalyr, input, ???
cm_pemittraderatio, input, ???
cm_permitTradeFinalYr, input, ???
cm_permitTradeRatio, input, ???
14 changes: 6 additions & 8 deletions modules/41_emicapregi/TradingOnRef/bounds.gms
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Expand Up @@ -5,21 +5,19 @@
*** | REMIND License Exception, version 1.0 (see LICENSE file).
*** | Contact: remind@pik-potsdam.de
*** SOF ./modules/41_emicapregi/TradingOnRef/bounds.gms

*** calculate emission cap in absolute terms
vm_perm.fx(t,regi) = p41_co2eq(t,regi);

display vm_perm.up;

*** deactivate permit trade
if(cm_permittradescen eq 2,
vm_Xport.fx(t,regi,"perm") = 0;
vm_Mport.fx(t,regi,"perm") = 0;
);
*** limited permit trade: limit in terms of share of allocated permits
if(cm_permittradescen eq 3,
vm_Xport.fx(t,regi,"perm") = 0;

*** Only activate permit trade between 2030 and cm_permitTradeFinalYr
*** cm_permitTradeRatio determines the proportion of emissions that can be traded,
*** between 0 (no permit trade allowed) and 1 (all emissions can be traded)
vm_Xport.up(t,regi,"perm") $ (t.val > 2025 and t.val <= cm_permitTradeFinalYr) = cm_permitTradeRatio * abs(p41_co2eq(t,regi));
vm_Mport.fx(t,regi,"perm") = 0;
vm_Mport.up(t,regi,"perm") $ (t.val > 2025 and t.val <= cm_permitTradeFinalYr) = cm_permitTradeRatio * abs(p41_co2eq(t,regi));
);

*** EOF ./modules/41_emicapregi/TradingOnRef/bounds.gms
3 changes: 2 additions & 1 deletion modules/41_emicapregi/TradingOnRef/not_used.txt
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Expand Up @@ -15,4 +15,5 @@ p41_correct_factor, parameter, ???
pm_shPPPMER,input,questionnaire
pm_pop, parameter, ???
pm_gdp,input,questionnaire
p41_co2eq_bau, parameter, ???
p41_co2eq_bau, parameter, ???
cm_permittradescen,input,replaced by cm_permitTradeRatio
14 changes: 6 additions & 8 deletions modules/41_emicapregi/TradingOnRef/realization.gms
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Expand Up @@ -6,14 +6,12 @@
*** | Contact: remind@pik-potsdam.de
*** SOF ./modules/41_emicapregi/TradingOnRef/realization.gms

*' @description: Emission caps/permits are allocated according to a reference run
*' There are three different trade patterns currently available.
*' cm_permittradescen = 1; !! def = 1 !! regexp = [1-3]
*' * (1): full permit trade (no restrictions)
*' * (2): no permit trade (only domestic mitigation)
*' * (3): limited trade (certain percentage of regional allowances)
*' for limited trade use cm_pemittradefinalyr to set the final year until permit trading is allowed
*' with cm_pemittraderatio set the percentage of allowed trade
*' @description: Emission caps/permits are allocated according to a reference run.
*' The share of emissions that can be traded is determined by cm_permitTradeRatio:
*' * 0: no permit trade (only domestic mitigation)
*' * 0.2 for instance: limited trade (20% of regional allowances)
*' * 1: full permit trade (no restrictions, 100% of emissions may be traded)
*' Permit trade is activated between 2030 and cm_permitTradeFinalYr (included).


*####################### R SECTION START (PHASES) ##############################
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4 changes: 2 additions & 2 deletions modules/41_emicapregi/exog/not_used.txt
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Expand Up @@ -16,5 +16,5 @@ cm_emiscen, switch, ???
pm_shPPPMER,input,questionnair
pm_gdp,input,questionnaire
cm_permittradescen,input,questionnaire
cm_pemittradefinalyr, input, ???
cm_pemittraderatio, input, ???
cm_permitTradeFinalYr, input, ???
cm_permitTradeRatio, input, ???
4 changes: 2 additions & 2 deletions modules/41_emicapregi/none/not_used.txt
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Expand Up @@ -14,5 +14,5 @@ cm_emiscen, switch, ???
pm_shPPPMER,input,questionnaire
pm_gdp,input,questionnaire
cm_permittradescen,input,questionnaire
cm_pemittradefinalyr, input, ???
cm_pemittraderatio, input, ???
cm_permitTradeFinalYr, input, ???
cm_permitTradeRatio, input, ???