(7)In order to examine major issues of economic and social concern in the tourism sector, especially new issues requiring specific research, the Commission needs micro-data. Tourism in the Union has a predominantly intra-European dimension, which means that micro-data emanating from harmonised European statistics on the demand for outbound tourism already provide a source of statistics on inbound tourism demand for the Member State of destination, without imposing additional burden, thus avoiding duplicated observation of tourism flows.