Saggi, Kamal <br/><br/>
On the relationship between preferential and multilateral trade liberalization : the case of customs unions 

 -  2013 
<br/><br/> Compares equilibrium outcomes of two types of trade liberalization. Looks at bilateralism where countries choose whether to liberalise trade preferentially via a customs union (CU) multilaterally, or not at all; multilateralism in which countries cann form CUs and can only undertake non-discriminatory trade liberalisation. Isolates circumstances where the option to form CUs helps further the cause of multilateral liberalisation as well as where it does not. 
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