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Industrial Growth and Dynamic Externalities : the Case of Sweden
Gustavsson, Rasha(formerly Torstensson) 세종대학교 국제경제연구소 2003 Journal of Economic Integration Vol.18 No.3
This study examines the relevance of carioys theories of knowledge spillovers and growth using a data set on geographic concenteation, diversity and competition in 24 counties in Sweden between 1997 and 1996, The result suggest that olcal competition as opposed to urban cariety and regional spocialization seems to encoutage employment growth. Thus, the evidence is largely consistent with parts of the hypotheses proposed by Porter and Jacobs, but the MAR theory does not receive empirical dupport based on the evidence presented in the present study.
Prospects of microbial cell factories developed through systems metabolic engineering
Gustavsson, Martin,Lee, Sang Yup John Wiley and Sons Inc. 2016 MICROBIAL BIOTECHNOLOGY -BLACKWELL- Vol.9 No.5
<P><B>Summary</B></P><P>While academic‐level studies on metabolic engineering of microorganisms for production of chemicals and fuels are ever growing, a significantly lower number of such production processes have reached commercial‐scale. In this work, we review the challenges associated with moving from laboratory‐scale demonstration of microbial chemical or fuel production to actual commercialization, focusing on key requirements on the production organism that need to be considered during the metabolic engineering process. Metabolic engineering strategies should take into account techno‐economic factors such as the choice of feedstock, the product yield, productivity and titre, and the cost effectiveness of midstream and downstream processes. Also, it is important to develop an industrial strain through metabolic engineering for pathway construction and flux optimization together with increasing tolerance to products and inhibitors present in the feedstock, and ensuring genetic stability and strain robustness under actual fermentation conditions.</P>
Explanining the Phenomenon of Third World Urban Giants : The Effects of Trade Costs
Gustavsson, Rasha 세종대학교 국제경제연구소 1999 Journal of Economic Integration Vol.14 No.4
Traditional push-and-pull factors offered partial explanations to the size of large urban areas in the third world. Moreover, the growing literature in economic geography identifies an additional factor exacerbating the phenomenon, namely trade costs. The present study tests econometrically the proposed hypothesis, whether higher trade barriers intensify the concentration forces in third world urban centers. That is, whether trade costs interact with the traditional push-and-pull effects and exacerbate the concentration effects. In particular, controlling for the traditional push-and-pull effects we incorporate two additional variables in order to capture trade costs within and across borders, respectively. The results suggest mixed support for the traditional push-and-pull effects. Higher trade costs within borders seem to reduce the concentration forces in urban centers. In addition, we find no evidence that trade barriers across boarders encourage concentration. Finally, the evidence from sensitivity analysis suggests that the results need to be treated with caution.(JEL-Classifications: F12, F13, F15, R12)
Industrial Growth and Dynamic Externalities: the Case of Sweden
( Rasha Gustavsson ) 세종대학교 경제통합연구소 2003 Journal of Economic Integration Vol.18 No.3
This study examines the relevance of various theories of knowledge spillovers and growth using a data set on geographic concentration, diversity and competition in 24 counties in Sweden between 1977 and 1996. The results suggest that local competition as opposed to urban variety and regional specialization seems to encourage employment growth. Thus, the evidence is largely consistent with parts of the hypotheses proposed by Porter and Jacobs, but the MAR theory does not receive empirical support based on the evidence presented in the present study.
Explaining the Phenomenon of Third World Urban Giants: The Effects of Trade Costs
( Rasha Gustavsson ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 1999 Journal of Economic Integration Vol.14 No.4
Traditional push-and-pull factors offered partial explanations to the size of large urban areas in the third world. Moreover, the growing literature in economic geography identifies an additional factor exacerbating the phenomenon, namely trade costs. The present study tests econometrically the proposed hypothesis, whether higher trade barriers intensify the concentration forces in third world urban centers. That is, whether trade costs interact with the traditional push-and-pull effects and exacerbate the concentration effects. In particular, controlling for the traditional push-and-pull effects we incorporate two additional variables in order to capture trade costs within and across borders, respectively. The results suggest mixed support for the traditional push-and-pull effects. Higher trade costs within borders seem to reduce the concentration forces in urban centers. In addition, we find no evidence that trade barriers across boarders encourage concentration. Finally, the evidence from sensitivity analysis suggests that the results need to be treated with caution. (JEL-Classifications: F12, F13, F15, R12)
M5 brane from mass deformed BLG theory
IOP Publishing Ltd 2009 Journal of high energy physics Vol.2009 No.11
We study small fluctuations around a BPS three-sphere vacuum solution of mass deformed BLG theory. We realize the BLG theory by a Nambu bracket and find a maximally supersymmetric lagrangian for the fluctuation fields corresponding to a single M5 brane on &BbbR;<SUP>1,2</SUP> × <I>S</I><SUP>3</SUP>.