In 2008, the world faced one of the biggest economic and financial crises not seen since the 1930s. In response, the industrialized countries did not hesitate to implement a series of multibillion-dollar economic packages aimed primarily at rescuing companies. They had to do the same to stimulate household consumption. As a result of these interventions, the States were left severely indebted, which limited the optimal operation of their public services. For this last reason, a wave of cooperative solutions between the public and private sectors was promoted to take advantage of the latter's fresh resources to finance the former's infrastructure and public services.

Cost-benefit analysis is an economic tool used to evaluate both private and social projects. It is about comparing the costs of investing in a certain project against the current valuation of all future benefits. It is necessary to reform Parliament so that society sees the cost of its activities. In Peru, the congress behaves like a monopolist in the production of laws, which is why the participation of civil society is necessary.