By Obstfeld, Raymond
By Krugman, Paul, Obstfeld, Maurice, Melitz, Marc
By Krugman, Paul R., Obstfeld, Maurice
By Gardella, Laurence F., Obstfeld, Raymond
By Krugman, Paul R., Obstfeld, Maurice, Obstefeld, Maurice
By Obstfeld, Raymond, Fitzgerald, Patricia
By Obstfeld, Maurice, Rogoff, Kenneth