Carmen Bunzl - Universidad Pontificia Comillas

Chapter 4. Case Study: Spain 211
Table 4 - 16. The various allocation methods used in the three calculation steps for Option 2: EU
burden-sharing with ETS allocation at EU level (Source: den Elzen et al., 2007b).
The Per capita convergence approach (A2, B2) leads to the stringent reductions
for Spain due to its relatively high per capita emissions.
On the other hand, the Marginal Abatement costs approach (A1, B1 and C1)
would allow Spain to expand its emissions even over its baseline scenario (‘hot
air’). However, it should be noted that the results depend strongly on the
marginal abatement costs assumptions; non-ETS sectors’ abatement costs for
Spain seem to be extremely high.
The Triptych approach leads to relatively similar results as the Per capita
convergence cases (compare C3 with A2 and B2), as the Triptych approach also
assumes per capita convergence for the residential and transport emissions,
which dominate the domestic ETS emissions.
Escuela Técnica Superior de Ingeniería ICAI Carmen Bunzl Boulet Junio 2008