This technical paper, prepared as part of FEDESARROLLO's research programme on Colombian economic policy analusis, presents the complete technical specifications of the COGEM (Colombian General Equilibrium Model). The document list all the model equations and by explaining details of the various specifications, which are normally bypassed in technical papers, gives full justification of the modeling choices.

This paper presents an averview of the most recent trade policy reforms in Colombia and a brief analysis of their potential effects in this county's trade flows. This set the stage for the main objective of this paper: a preliminary general equilibrium assessment of the economic effects of Colombia's hypotetical accession to the North America Free Agreement.