Example image of eyePlorer eyePlorer map for 'Economic geography': Earth Alfred Weber Location theory David Harvey Geography Jeffrey Sachs Paul Krugman Regional geography Regionalisation Critical geography Behavioral geography Economics Strabo Qin (state) Ellsworth Huntington Environmental determinism Johann Heinrich von Thünen Central place theory Walter Christaller Fred K. Schaefer Brian Berry Peter Haggett Waldo R. Tobler William Bunge William Garrison (geographer) Geographic information system Spatial analysis Economies of present-day nations and states Peter Dicken Doreen Massey (geographer) Allen J. Scott Clark University Oxford University Press Royal Dutch Geographical Society Bid rent theory Ewan Anderson Oliver Edwin Baker Rank mobility index Ron Martin George Chisholm (geographer) List of countries spanning more than one continent Peter Nijkamp Ash Amin Geografiska Annaler Oxford-Cambridge Arc Transportation geography GDP density Alex de Grassi Euan Vadim Krutetsky