The gravity hypothesis and transportation cost minimization
By: by John M. Hartwick.
Series: Discussion paper ;; no. 73; Discussion paper (Queen's University (Kingston, Ont.). Institute for Economic Research) ;; no. 73.
Publisher: Institute for Economic Research, Queen's University
Published: 1972
Place of publication: Kingston, Ont
Language: eng
Number of pages: 19
Subjects: Transportation -- Costs -- Mathematical models.; Regional economics -- Mathematical models.
Notes: Bibliography: leaf 22.
"February, 1972"