The Smoot-Hawley tariff of 1930, which raised U.S. duties on hundreds of imported goods to record levels, is America's most infamous trade law. It is often associated with--and sometimes blamed for--the onset of the Great Depression, the collapse of world trade, and the global spread of...

The NBER's pre-WWI chronology of annual peaks and troughs has the remarkable implication that the U.S. economy spent nearly every other year in recession, although previous research has argued that the post-Civil War dates are flawed. This paper extends that research by redating annual peaks and...