Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Issue 4 20-26 2012 I discuss the need for trade models to incorporate endogenous trade imbalances both to more adequately capture the reality of a global economy with large imbalances and pressures from the financial crisis for countries to reduce imbalances. Conventional general equilibrium trade models implicitly incorporate monetary neutrality and either have zero trade balance as a property of equilibrium, or have a fixed and exogenous trade imbalance. Models which are discussed here have a variety of forms. In one, central banks fix exchange rates and operate a non accommodative monetary policy and accumulate reserves. Changes in both trade and monetary policies change reserve accumulative and with the external sector imbalances. This is a reflection of China's current policy regime. In another intertemporal preferences allow for simultaneous inter commodity and intertemporal trade across countries, and with changed intertemporal trade changed external sector imbalances within the period. These formulations are each applied to potential tax initiatives to aid in rebalancing.
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IntroductionRebalancing refers to the reduction of large aggregate imbalances, covering trade (and current account) imbalances, public sector deficits, and high savings rates in some countries and low savings rates in others. Here
Endogenous Trade Imbalance ModelsConventional real side trade models (see Dixit & Norman (1980)) sit as a subclass of general equilibrium models of pure barter form, which if taken to a simple monetized extension via a simple quantity theory of money approach exhibit neutrality of money. In these, in 2 country form, once domestic money supplies are determined exchange rates are endogenously determined in such a way that changes in monetary policy only affect exchange rates with no real effects. In such models, in addition, trade balance by country is either zero as a property of equilibrium; or meets an exogenously given inter country transfer, which is fixed and given and implies an exogenous trade imbalance.
External Sector