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Developments in the Scottish Input-Output Tables Reasons for Change • Heavily reliant on Excel – complicated structure • Rigidity of Dimensions • Methodological anomalies Integration of OCEA Outputs • IO GVA feeding into GDP weights • Use of Global Connections Survey 2002 • GERS / Input-Output tax integration Changes in the New System • Producing a Combined Use matrix • Balancing at Purchasers’ Prices • Manual Balancing – more focussed • Less Reliance on RAS Changes in the New IO System • More Efficient IT system • Flexible System • Tax and Margins System rewritten Current Position • New System is written • Initial Testing has been done • System to produce symmetric tables • 2003 raw data almost complete • Begin producing 2003 in earnest Future developments • Tailor-made responses to queries • Adjust the dimensions of the IO tables to reflect changes in the economy Future Developments • Work will begin on a detailed revisions policy for Input-Output • Production of Consistent Time Series of Input-Output tables.