The financial sector, monetary policy and public policies have been the object of greater attention since 1995, when Mexico experienced the first crisis of financial globalization, followed by others close to systemic, such as that of 2009. The importance of Understanding and predicting the operation of monetary policy increases in flexible exchange rate regimes, such as the one established in 1995, given the role played by the Central Bank. The same happens with the work of commercial banks and pension funds, which manage society's savings and finance economic activity. For their part, public policies are gaining relevance in light of the growing needs for non-inflationary financing of social policies, infrastructure and Covid-19. What better than to focus the analysis with a series of sectorial models and, in the rest of the cases, with a long-term perspective.