Functioning prospects of the network of cross-border maritime clusters in the Black Sea region

In the article it is suggested to set up a network of cross - border maritime clusters within the Black Sea Euroregion, with the aim to promote economic coordination between maritime regions of participants. The link between the cluster effects and factors o f cumulative growth of the Gross Regional Product, that is an indicator of the increase of the region’s competitiveness, has been determinated. The methodic approach to estimation of economical effects that are created within a cluster and gives a complex estimation of the cluster’s functioning effectiveness in a region has been worked out.