Canadian David Card One of Three U.S. Based Economists to Win Nobel Prize

From left, on the screen are the winners of the 2021 Nobel prize for economics; David Card of the University of California at Berkeley; Joshua Angrist from the Massachusetts Institute of Technology; and Guido Imbens from Stanford University, announced during a press conference at the Royal Swedish Academy of Sciences, in Stockholm, Sweden, on Oct. 11, 2021. Claudio Bresciani/TT via AP

When the phone rang around 2 a.m. telling David Card that he won the Nobel Prize for Economics, the Canadian-born economist thought it was a stunt.

But when he saw the phone showing a Swedish number he thought maybe it wasn’t a joke after all.