← Search American Economic Review 1988 About Two Marks: Refugees and the Exchange Rate before the Berlin Wall Irwin L. Collier; David H. Papell Sources openalex 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 ✓