# DICE2007 – Ten Year Time Step

If using material from this website, the user should refer to Cai, Y., Judd, K.L., Lontzek, T.S. (2012),
“Open Science is Necessary”, Nature Climate Change. Questions and comments should be sent to dice.cjl@gmail.com

This table lists the critical parameters and equations

Parameter Name  DICE2007 (10 years)
T  1*60
GPOP0  .35
GA0  .092
GSIGMA  -.0730
ELAND0  11.000
b11  0.810712
b12  0.189288
b21  0.097213
b22  0.852787
b23  0.05
b32  0.003119
b33  0.996881
C1  .220
C4  .050
GBACK  .05
ga(T)  =ga0*EXP(-dela*10*(ORD(T)-1));
gsig(T)  =gsigma*EXP(-dsig*10*(ORD(T)-1)-dsig2*10*((ord(t)-1)**2));
ETREE(T)  = ELAND0*(1-0.1)**(ord(T)-1);
RR(t)  =1/((1+prstp)**(10*(ord(T)-1)));
FORCOTH(T)  = FEX0+ .1*(FEX1-FEX0)*(ORD(T)-1)\$(ORD(T) LT 12)+ 0.36\$(ORD(T) GE 12);
PARTFRACT(T)   PARTFRACT(T)\$(ord(T)<25) = Partfract21 + (PARTFRACT2-Partfract21)*exp(-DPARTFRACT*(ORD(T)-2));

Equation Name  DICE2007 (10 years)
KK(T)..  K(T+1) =L= (1-DK)**10 *K(T)+10*I(T);
RIEQ(T)..  RI(T)   =E= GAMA*Y(T)/K(T)- (1-(1-DK)**10)/10  ;
UTIL..   UTILITY =E= SUM(T, 10 *RR(T)*L(T)*(PERIODU(T))/scale1)+ scale2 ;
MMATAVEQ(t)..  MATAV(T)    =e= (MAT(T)+MAT(T+1))/2 ;
TATMEQ(T+1)..  TATM(T+1) =E= TATM(t)+C1*(FORC(t+1)-LAM*TATM(t)-C3*(TATM(t)-TOCEAN(t)));

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