President Donald Trump's use of tariffs in his second term defies many historical norms, say economists and historians.

The first of the four lectures to be delivered on Protective Tariffs by Prof. Robt. E. Thompson of the University of Pennsylvania was very fully attended. The lecture was a statement of certain ...

The Old South hated the tariff—but could it have been a “cause” of the civil war, given how the North rammed protective tariffs ... in political economic history. So, these days, is why ...