In our country must be used both in policies of supply and demand. In the case of United States, experts indicate that economic agents are faithful to the idea of the Ricardian equivalence, its reactivation would be by the advantages of worldwide with its financial industry, which would continue acting locomotive at a lower speed to be the first to emerge from the crisis. If it might not start if that would have more pressures of those who store dollars, to reform the financial architecture. -Eric Maskin (Nobel Prize in Economics 2007) in his theory of mechanism design, tells us that solution is the creation of incentives and cast in the decision-making process, so that each party involved is in accordance with the final decision. Will be necessary incentives for the creation of more industrial fabric, incentives for collaboration between companies (need greater dimension, greater internationalization, creation of synergies and EQ. scale) as well as improvements in training and meritocracy. In any case faced with so much uncertainty, it is better to reviewing economic history historical experience. Would also be advisable that any independent institution could be explained with more detail to citizenship, the risks of each scenario and the risks of each action taken by the Government. The key is knowing that it is or is not a priority at the moment. The new theories of growth, the need for a new macroeconomics, should focus on a scenario of social market economy at the global level, a new theories that exceeds the confrontation of old theories, which integrate and Join knowledge of other disciplines, the neuroeconomics, Bioeconomic, Socioeconomics, the Neo-institucionalismo…do you need the creation of a new dominant paradigm? there more economists in the room ready to discuss?