Acemoglu
Acemoğlu
al
Bas
Branko 
Broadberry
Centre
Daron
doi
et
fontsize
Friesen
Gartner
ggplotPath
Groningen
Haineset
Horlings
Ichiro
ISSN
Janden
Jerven
JOES
Jutta
Kalman
Krugman
Leeuwen
Luiten
Maddison
MaddisonLeaders
MaddisonSources
Maddison's
McCusker
MDP
Morten
Milanović
Overton
Pieter
PPP
petrostates
PublicAffairs
Reece 
Scheidel
Smits
Stata
Sugimoto
Sutch
Wikidata
yearBegin
yearEnd
Zanden