← Search American Economic Review Vol. 86 No. 2 1996 Regional Trading Arrangements: Natural or Supernatural? Jeffrey A. Frankel; Ernesto Stein; Shang‐Jin Wei Volume86 Issue2 Pages52-56 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓