United States Politics: ∆τ_i*ε*φ*m_i<0 where ε=4 and φ=0.25

[Potato]

Tariffs don't work unless you are trying to artificially sustain an inefficient local industry. In the end, they only serve to increase inflation. Those inefficient industries collapse anyway. 

Case in point, the billions wasted sustaining local car manufacturing in Australia for decades.