In this paper, we discuss the hypothesis of a double effect of economic slowdown on economic growth, resulting by the income of natural resources and being a landlocked country. We considered the problem of heterogeneity as conditioned functions to quantile moments in response of economic growth. To do this, groups of 97 countries are considered for the period 1970-2014. The results suggest that the "double economic curse" presents an annual impact of -3% in quantiles of medium-low growth countries. Subsequently, additive effects between human capital and trade openness are evaluated to mitigate the lag impacts on growth: Decreasing approximately between 20% and 40% of the negative effect for low growth countries and contracting around 10% and 50% for countries with medium growth rates.

This paper contributes to quantifying the severity of various types of shocks for one small open economy. The role of fiscal policy was evaluated along with monetary and exchange rate innovations and the findings reflect the relevance of domestic and external shocks. These estimates show that productivity shocks explain about 90% of real variables in the economy. Regarding external shocks, the presence of oil perturbance affects approximately one-third of the fiscal balance behavior. Finally, the main instrument of economic policy is related to public investment innovations that cause more than the 50% of the real variables, especially as an instrument for economic crisis. Contribution/Originality: The paper's primary contribution is finding and demonstrating the impacts of economic stimulus of monetary policy, exchange rate and fiscal policy instruments in three additional contexts: when there are no domestic disturbances, in the presence of external shocks, and in the presence of domestic disturbances.