Integrated assessment modelling is the process of integrating socioeconomic and climate models into a joint framework in which the models are solved interactively. An alternative is for these two sets of models to be solved separately in different platforms and by different groups of scientists. That approach is convenient and practical, but hinders our understanding of climate change because the right hand very often does not know what the left is doing.

In this paper, we bring together an atmospheric carbon dioxide concentration model – the BEAM model; a simple global climate model – the EBM model; and the GTAP-E-P model. We code in the Tablo language, a popular platform for economic modeling. This allows us to fully integrate carbon cycle, climate, and economic models into a single platform and solve them simultaneously. We use our simulation results to show how Shared Socioeconomic Pathways (SSPs) can be connected to Representative Concentration Pathways (RCPs). Our model provides a better understanding of how the cost burden of emission elimination can be shared among countries around the world.