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RISS 인기검색어
- 검색키워드
- 저자 : ( Souleymane Coulibaly ) (검색결과 2 건)
- 무료
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Evaluating the Trade Effect of Developing Regional Trade Agreements: a Semi-parametric Approach
( Souleymane Coulibaly ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2009 Journal of Economic Integration Vol.24 No.4
Many recent papers have pointed to ambiguous trade effects of developing regional trade agreements, calling for a reassessment of their economic merits. This paper focuses on 22 RTAs involving mostly developing countries and covering all the continents and use trade flows over the period 1962-2006. It proposes a two-step estimation approach to assess their trade impact: first estimate a gravity equation excluding the RTA variables, and then use the trade residuals estimated to run a kernel regression for each of the RTAs. This approach allows capturing the non-monotonic trade effects of the RTAs over time while imposing minimal structure on the model, and is flexible enough to be extended to any new RTA. As existing RTAs are deepened and new ones are being negotiated, ensuring that trade creation dominates trade diversion will be essential, particularly in the post-crisis world where resources will be limited for all countries.
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Agglomeration and Specialization Patterns when Firms and Workers are Footloose
( Souleymane Coulibaly ) 세종대학교 경제통합연구소 2008 Journal of Economic Integration Vol.23 No.2
In new economic geography models, geographic concentration cant arise because of workers mobility or vertical linkages between firms. We examine a setup that combines those two approaches in conjunction with local congestion costs. We find that, as trade costs are lowered, the geographic concentration of total activity (agglomeration) follows an inverse u-shaped evolution, while the degree of specialization of regions increases. These results shed light on regional development within a country as integration proceeds: when trade costs are hight, firms evenly spread between the regions to supply local demand at low costs, hence diversified regions; at intermediate trade costs, we have coexistence of a diversified core and a specialized periphery and at low trade costs, each industry clusters in one region to fully exploit returns to scale externalities. US city centers and non-metropolitan areas during the period 1850-1990 depict such specialization and agglomeration patterns. These results show that a country`s effort to miprove accessibility across its porfolio of places can favor a win-win regional allocation of firms based on each location`s competitive advantage.
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