In this article, Professor Howard Chang addresses the role of trade restric­ tions in supporting policies to protect the global environment and proposes a more liberal treatment of these environmental trade measures than that adopted by dispute-settlement panels of the General Agreement on Tariffs and Trade (GATT). The GATT Secretariat has recommended that countries like the United States rely ...

N-propylsalicylidene based on silica as ion exchanger (IE) was used for the separation by complexation of Mn2+, Co2+, Ni2+, Cu2+, Hg2+, Cr3+, Fe3+, and UO22+ from their parent solutions. IE and its metal complexes are characterized by elemental analysis, electronic and infrared spectra, in addition to thermal analysis in atmospheric pressure. The mode of chelation and the proposed geometric str...

This paper assesses the effects of duration membership in General Agreement on Tariffs and Trade (GATT)/World Organization (WTO) structural economic vulnerability trade costs developing countries. The analysis is performed an unbalanced panel dataset 121 countries over period 1996–2018 primarily utilizes two-step system generalized method moments estimator. It has established several findings. ...

We propose a model of flexible trade agreements in which verifying the prevailing contingencies is possible but costly. Two types of flexibility emerge: contingent protection, which requires governments to verify the state of the world, and discretionary protection, which allows governments to set tariffs unilaterally. The structure of the GATT/WTO agreement provides these two types of flexibil...