DARON ACEMOGLU Massachusetts Institute of Technology, USA PHILIPPE AGHION Harvard University, USA GADI BARLEVY Federal Reserve Bank of Chicago, USA PAUL BEAUDRY The University of British Columbia, Canada W.A.BROCK University of Wisconsin, Madison, USA GAVIN CAMERON Deceased. Oxford University, UK FRANCESCO CASELLI London School of Economics, UK GREGORY CLARK University of California Davis, USA DIEGO COMIN Harvard Business School, USA W.D.DECHERT University of Houston, USA MATTHIAS DOEPKE Northwestern University, USA STEVE DOWRICK Australian National University, Australia STEVEN N. DURLAUF University of Wisconsin Madison, USA RICHARD A. EASTERLIN University of California, Los Angeles, USA WILLIAM EASTERLY New York University, USA ODED GALOR Brown University, USA F HAHN Retired, University of Cambridge, UK ARNOLD HEERTJE University of Amsterdam, The Netherlands PETER HOWITT Brown University, USA YANNIS M IOANNIDES Tufts University, USA SRIYA IYER University of Cambridge, UK PAUL A. JOHNSON Vassar College, USA DIANE J. MACUNOVICH University of Redlands, USA RODLOFO E. MANUELLI University of Wisconsin Madison, USA KIMINORI MATSUYAMA Northwestern University, USA S METCALFE University of Cambridge, UK JOEL MOKYR Northwestern University, USA VINCENZO QUADRINI University of Southern California, USA JAMES RAUCH University of California San Diego, USA PETER L. ROUSSEAU Vanderbilt University, USA JONATHAN TEMPLE University of Bristol, UK ANTHONY J. VENABLES University of Oxford, UK DAVID N. WEIL Brown University, USA