Media type: E-Article Title: Is APEC a Natural Regional Trading Bloc? A Critique of the ‘Gravity Model’of International Trade Contributor: Polak, Jacques J. imprint: Wiley, 1996 Published in: The World Economy Language: English DOI: 10.1111/j.1467-9701.1996.tb00695.x ISSN: 0378-5920; 1467-9701 Keywords: Political Science and International Relations ; Economics and Econometrics ; Finance ; Accounting Origination: Footnote: