Analysis of the concentration of charcoal production in Pará, Brazil:
an auxiliary tool for management, inspection, sustainable development and public policies.
Over time, coal has been an important input for power generation, being used for basic purposes such as cooking food and also contributing to technological development. This study evaluated the regional concentration of charcoal production in the state of Pará, Brazil. Data used in this analysis were obtained from the Data Recovery System (SIDRA) of the Brazilian Institute of Geography and Statistics (IBGE) from 1990 to 2017. The indicators used were: Concentration Ratio (CR(k)), Herfindahl-Hirschman Index (HHI), Theil Entropy Index (EI), and Gini Index (G). Main results indicate that most charcoal production is from Southeast and Northeast Pará mesoregions. The CR(k) showed an extremely high concentration for both municipalities and microregions, HHI and EI tended toward high concentration and monopolized markets, G showed that inequality ranges from very strong to absolute in the municipalities and, for most of the period, in mesoregions and microregions, except for 2004. Therefore, we inferred that the concentration of charcoal production at regional levels is concentrated throughout the state.
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