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

[benji]

I gotta believe something like this exists already, surely.

With more than 60,000 employees, U.S. Customs and Border Protection, CBP, is one of the world's largest law enforcement organizations and is charged with keeping terrorists and their weapons out of the U.S. while facilitating lawful international travel and trade.

https://www.cbp.gov/trade/priority-issues/revenue

Nearly 2,500 employees in CBP revenue positions collect over $30 billion annually in entry duties and taxes through the enforcement of trade and tariff laws. In addition, these employees fulfill the agency's trade mission by appraising and classifying imported merchandise. These employees serve in positions such as import specialist, auditor, international trade specialist, and textile analyst.

It's the successor of an agency established in 1789: https://en.wikipedia.org/wiki/United_States_Customs_Service