Costa, Dora L.; Kahn, Matthew E. - In: American Economic Review 97 (2007) 4, pp. 1467-1487
Twenty-seven percent of the Union Army prisoners captured July 1863 or later died in captivity. At Andersonville, the death rate may have been as high as 40 percent. How did men survive such horrific conditions? Using two independent datasets, we find that friends had a statistically significant...