Ngai-Ling Sum (born 1952) is a British sociologist and political economist and co-director of the Cultural Political Economy Research Centre at Lancaster University.^[1]

Her 2006 book Beyond the Regulation Approach. Putting Capitalist Economies in their Place (co-authored with Bob Jessop) was awarded the Gunnar Myrdal Prize awarded given by the European Association for Evolutionary Political Economy. Geografiska Annaler called the book a good introduction to the theory of Regulation Approach.^[2] Sum's contributions to the book were considered "central in pushing its boundaries to the emerging project of cultural political economy" by Ray Hudson in Economic Geography.^[3]

She also was awarded a British Academy BARDA Award in 2008 for her work with Jessop on Changing Cultures of Competitiveness: A Cultural Political Economy Approach.^[4] Her work has appeared in several academic journals like Competition & Change,^[5] Urban Studies,^[6] New Political Economy,^[7] Critical Policy Studies,^[8] Critical Asian Studies,^[9] Economy and Society,^[10] and Capital & Class,^[11] among others.

• Sum, Ngai-Ling (2003). "Rethinking Globalisation: Re-articulating the Spatial Scale and Temporal Horizons of Trans-Border Spaces". In Brenner, Neil; Jessop, Bob; Jones, Martin; et al. (eds.). State/Space: A Reader. Oxford: Blackwell Publishing. ISBN 978-0631230335.
• Beyond the Regulation Approach. Putting Capitalist Economies in their Place (co-authored with Bob Jessop) Cheltenham: Edward Elgar 2006.
• Towards A Cultural Political Economy. Putting Culture in its Place in Political Economy (co-authored with Bob Jessop) Cheltenham: Edward Elgar 2014.

• Ngai-Ling Sum's homepage at University of Lancaster