third the approach allows the interdependencies between the different sectors to be explicitly modelled to the extent that data permit it compares rates of change of value added and employment in oceanbased industries between and the compound annual growth rate for value added of the oceanbased industries combined between and is estimated at broadly in line with the anticipated compound annual growth rate for value added of the global economy however the total growth of employment approximately in the oceanbased industries over the year period is expected to outpace markedly the overall growth rate of the global workforce approximately