McWilliams's book The Flat White Economy (2015) details the digital sector, which he saw as driving the British economy, and rose to first position in the Amazon Business and Law Best Seller List. His The Inequality Paradox (2018) argues against Thomas Piketty's conclusion that increasing economic inequality is the result of exploitation.[6]Driving the Silk Road (2020) is about his experience of driving a classic Bentley S1 on the Peking to Paris Endurance Rally of 2019 and his perceptions of economic conditions in the countries of Asia and Europe he drove through.[6]
As of 2022, McWilliams is Deputy Chairman of CEBR, a member of the Council of the Institute for Fiscal Studies, Economic Adviser to the Chartered Institute of Marketing,[4] and a member of the Advisory board of e-Propelled, a US company which makes electric motors for pumps and vehicles.[6]
Personal life
McWilliams is son of the late Sir Francis McWilliams, an engineering consultant and former Lord Mayor of London.[1] He is a lapsed Roman Catholic.[9] In 1979, he married Ianthe Wright, whom he met on the river bank while cheering on Oxford in the Boat Race. They live in a large house in Regent's Park.[9]
Books
Basic Economics: A Dictionary of Terms, Concepts, and Ideas (London: Arrow Books, 1976, with Tim Congdon) ISBN978-0099130208
The Flat White Economy: How the Digital Economy Is Transforming London and Other Cities of the Future (London: Gerald Duckworth & Co, 2015) ISBN978-0715649534
The Inequality Paradox: How Capitalism Can Work for Everyone (New York: Overlook Press, November 2018; London: Abrams Press, September 2019) ISBN978-1468314984
Driving the Silk Road: Halfway Across the World in a Bentley S1 (Whitefox Publishing, 23 December 2019) ISBN978-1912892716
^European Scrutiny Committee: Treaty on stability, coordination and governance: impact on the eurozone and the rule of law, sixty-second report of session 2010-12, Vol. 1: Report, together with formal minutes, oral and written evidence, Volume 1 Evidence (The Stationery Office, 2012), p. 25