The following study identifies five periods with different price regimes (for main hydrocarbons): 1) 1986-1996, where these prices are part of the Government's fiscal policy to finance part of the structural adjustment policies after the inflationary period; 2) 1997-1999, when a new methodology...

The existence of incomplete financial markets, in an environment of uncertainty, is one of the problems of the Latin American economies, that determines a suboptimal path of public spending, with the consequent loss of social welfare. The existence of a high degree of positive correlation...