Comparative [dis]advantage

[timelets]

How can we explain to people that the lack of roads across the border is the real wall? It's just basic physics applied to a business model. You simply cannot drive an 18-wheeler truck through a remote desert, which makes drug smuggling inefficient. Moreover, hiring hundreds of people to carry small payloads into another country is a security and logistics nightmare, compared to hiring one truck driver and bribing one border agent.

https://thehill.com/policy/healthcare/427893-border-officers-make-largest-fentanyl-seizure-ever-in-arizona

The Republic reported that the drugs were hidden in a truck that was also carrying cucumbers.