Using Korean input-output table data, this article assesses economic impact of the convention sector activities indirectly. Various criteria such as output, employment, income, value-added, and import level of the convention sector were compared with those of other industrial sector. Though low in output multiplier, employment multiplier and value added ratio were found relatively higher than those of existing industrial sectors. Import multiplier was also found lower. During the year of 2000, the estimation is that income effect worths 2.9 billion won while employment effect amounts to over seven thousand and two hundred regular-tentamount workers in convention sector alone.