<Para ID="Par1">The traditional literature to identify key sectors, based on an input–output demand-side approach, evaluates the impact on sectoral production of the exogenous inflows to activities. This approach has been the centre of an important debate, based on the lack of robustness of the results...</para>

Multipliers are routinely used for impact evaluation of private projects and public policies at the national and subnational levels. Oosterhaven and Stelder (J Reg Sci 42(3), 533–543, <CitationRef CitationID="CR9">2002</CitationRef>) correctly pointed out the misuse of standard ‘gross’ multipliers and proposed the concept of...</citationref>