TL/DR, nearly all firms in trade offer/receive quantity discounts. The loss of welfare with tariffs in such markets no long replicate the econ 101 graph. Huge extractions of both consumer and producer welfare occur. I show this in the 2018 mini US-China trade war.

I'm more surprised it took even 2 weeks.

wouldn't valve following the "industry standard" of two other oligopolists be a form of collusion?

rising returns to specialization

currently enjoying english teacher