“Time as a trade barrier": each day in transit to US = ad-valorem tariff of 0.6-2.3 % Hummels and Schaur
https://t.co/p8492YmQH9
RT @Stitch25292900: @gsignoret @MvembaDizolele @adam_tooze These guys are 'creseurs' – artisinal miners. Mining on a legal or illegal site,…
RT @Stitch25292900: @gsignoret @MvembaDizolele @adam_tooze These guys are 'creseurs' – artisinal miners. Mining on a legal or illegal site,…