Authors
![Richard Blundell](/sites/default/files/styles/square_desktop/public/2024-03/Richard%20Blundell%20Head.jpg?itok=ow7e9OkA)
Richard Blundell
CPP Co-Director
Richard is Co-Director of the Centre for the Microeconomic Analysis of Public Policy (CPP) and Senior Research Fellow at IFS.
![Martin Browning](/sites/default/files/styles/square_desktop/public/2022-07/Martin%20Browning.jpg?itok=15ISWZWp)
Martin Browning
Research Associate University of Copenhagen
Martin is an IFS Research Associate, a Nuffield Senior Research Fellow and a Professor of Economics at the University of Oxford.
![Person graphic](/sites/default/files/styles/square_desktop/public/2022-06/IFS-person-graphic.png?itok=hWCtTSrz)
Ian Crawford
Suggested citation
R, Blundell and M, Browning and I, Crawford. (2003). 'Nonparametric Engel curves and revealed preference' (2003)
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