Essays in international economics
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- Tez No: 400473
- Danışmanlar: DR. TIMOTHY J. KEHOE, DR. FABRIZIO PERRI
- Tez Türü: Doktora
- Konular: Ekonomi, Economics
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2009
- Dil: İngilizce
- Üniversite: Unıversıty Of Mınnesota
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Ekonomi Ana Bilim Dalı
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: Belirtilmemiş.
Özet
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Özet (Çeviri)
This dissertation considers ¯rms' optimal behavior while participating in inter- national trade when ¯rms are ex ante heterogeneous in terms of their productivity. The ¯rst chapter explains why a representative ¯rm assumption cannot explain most of the observations we see in the data related to exporting ¯rms and non-exporting ¯rms. Moreover, this chapter explains the mechanism of why the theory needs a heterogeneous ¯rm assumption to explain the observed facts. The second chapter deals with the interaction between income di®erences across countries and international trade patterns. Income is not equally distributed among countries and this chapter analyzes the e®ect of this unequal distribution on bilat- eral trade patterns in an environment with heterogeneous ¯rms. The second chapter develops a framework in which countries, depending on their income, potentially de- mand di®erent sets of varieties as well as di®erent quantities for a given variety using non-homothetic preferences which is in contrast to the standard framework with ho- mothetic preferences. A quantitative comparison between the framework proposed in this chapter and a standard framework shows that they predict similar trade pat- terns even with di®erent estimated inputs for the variable trade barriers, implying that when rich countries export, income di®erences with the trading partner in my framework play a similar role as additional trade barriers in the standard framework. Finally, this chapter analyzes the impact of high growth of poor countries. As poor countries grow, the trade barriers they face fall. As a consequence, the increase in the growth of world trade in the non-homothetic model will be higher than the predicted counterpart in the standard model. The third chapter analyzes asymmetric information and impacts of this on the decisions of importers and exporters engaged in international trade. This chapter incorporates learning and reputation building into a simple stochastic dynamic model of trade and studies two bilateral trade °ows in°uenced signi¯cantly by learning and reputation, namely United States imports of Japanese and French cars over the period 1961-2005. This chapter ¯nds that since learning and reputation building require time, predicted short run trade patterns can be quite di®erent than those predicted in the long run.
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