( ) refers to two separate equivalent L/Cs, where the Applicant of the first L/C is the Beneficiary of the second L/C, the Advising bank of the first L/C is the Issuing bank of the second L/C, and vice versa.
【单选题】The impact on world welfare of a n export subsidy and a countervailing duty (of the same size as the subsidy) is: a. zero . b. negative due to overproduction. c. negative due to under-consumption. d. ...