Natalie Chen, Dennis Novy, 09 July 2018

Currency unions usually go hand in hand with deeper economic integration. But does that automatically mean more international trade? This column shows that since the end of WWII, currency unions have on average been associated with 40% more trade between member countries. The ‘thin’ relationships between countries who do not trade much with each other benefit the most from currency unions, with little in the way of a boost for more established trading relationships. 

Randall Wright, Philipp Kircher, Benoit Julien, Veronica Guerrieri, 07 January 2018

Search models have vastly improved our understanding of important market events that are not explained by classical economic theory, but they tend to treat price formation as an afterthought. This column introduces a survey of the literature on ‘directed search’, which aims to keep the explanatory power of search models but allows for a meaningful role of prices in determining where people search for a trading partner.  

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