Descripción: “... of three countries. Its main objective is to focus the analysis of the main references to calculate...”

Descripción: “... depth was carried out.  The collection and analysis of information was developed through a...”

Descripción: “... this, primary information was collected through surveys of 541 far-flung households on the variables involved...”

Descripción: “... on primary sources. The unit of analysis was constituted mainly by businessmen and people familiar...”

Descripción: “... to the period 1970-2013 based on longitudinal secondary information. To achieve the above, a simultaneous...”