Mohamed Saleh 

Department of Economic History 

London School of Economics

Houghton Street 1

London, WC2A 2AE, UK

m.saleh@lse.ac.uk

Karine Van der Straeten

Institute for Advanced Study

Toulouse School of Economics

Esplanade de l’Université

Toulouse, FR 31080

karine.van-der-straeten@tse-fr.eu

Paul Seabright

Institute for Advanced Study

Toulouse School of Economics

Esplanade de l’Université

Toulouse, FR 31080

paul.seabright@tse-fr.eu