The Brazilian coastal and marine economies: Quantifying and measuring marine economic flow by input-output matrix analysis

Internationally nations are estimating the value of the sea and acknowledging its importance to the national Economy. Even though Brazil has one of the world's longest coastlines with hundreds of coastal cities, there are no specific statistical data on the contribution of the sea to the Brazilian Economy reinforcing the importance of this work. The purpose of this paper is to quantify the Brazilian Coastal and Marine Economies in the year of 2015 by estimating a National Input-Output Matrix which creates marine sectors. As far as we know it is the first time that Brazilian Coastal and Marine Economies have been presented using an Input-Output model. The results estimate that Brazilian Coastal and Marine Economies generated US$ 286 billion (19.0%) to the GDP in 2015, (16.4% for the coastal economy and 2.6% for the marine economy). It should be highlighted that Brazilian Coastal and Marine Economies are dominated by the service sector. •The size of Brazilian Coastal and Marine economies as the socio-economic impacts to the whole country are still unknown.•This paper is the first contribution to the concept of Brazilian Coastal and Marine Economies and its respective size.•The Brazilian Coastal and Marine input output matrix was constructed.•Marine Service sector, which includes tourism, is the most participative in GDP and employment in Brazilian Marine economy.•The sea presented a great participation in Brazilian economy, 19.0% of national GDP.