1930年5月，1028名美国知名学术经济学家向时任总统的赫伯特·胡佛（Herbert Hoover）写了一封公开信，敦促他否决尚未通过的斯穆特-霍利（Smoot-Hawley）关税法案。
In May 1930, some 1,028 of America’s leading academic economists wrote a public letter to US President Herbert Hoover urging him to veto the pending Smoot-Hawley tariff bill.