نتایج جستجو برای: gravity model

تعداد نتایج: 2153001  

The Box-Wilson central composite design (CCD) based on response surface methodology (RSM) was used for ethanol fermentation using very high gravity (VHG) finger millet hydrolysate. Optimized process variables were namely, concentrations of yeast extract, magnesium sulphate and pH of the medium. High gravity mashes (>300 g dissolved solids per liter) were prepared by a thermo-stable α-amylase, f...

Journal: Iranian Economic Review 2017
Ehsan Rasoulinezhad Liudmila Popova,

Abstract This article is an empirical attempt to explore the relationship between sanctions (financial and non-financial), oil price shocks and Iran-Russian bilateral trade flows over the period 1991–2014. In contrast to earlier studies in which a gravity model has been estimated through a panel data approach, in this paper the authors apply a gravity model for only two countries and do the es...

Journal: :Economics Letters 2008

Journal: :Journal of Geometry and Physics 1997

2004
Lili Zhu Jiawen Yang

We synthesize the financial crisis contagion literature through the gravity model from physics and test the hypothesis that the severity of contagion relates positively to trade and financial linkages but negatively to psychic distance between countries, when macroeconomic fundamentals and institutional factors are controlled. The psychic distance variable, a behavioral predictor constructed al...

2003
James Harrigan Rohit Vanjani

Does Japanese trade in manufactured goods differ from the rest-of-the world average and from the U.S.? We use a simple industry-level gravity model and 1981-1998 data to answer this question. We construct a measure of normalized imports by dividing bilateral industry-level imports by the importer's aggregate absorption and the exporter's industry output. We find that Japan imports less than oth...

2006
Jamie Partridge

This paper utilizes an enhanced gravity model to estimate the effect of lagged immigration waves on Canadian imports and exports, by province. Empirically, this model was tested using Canadian data on import and export flows to the top 40 countries of origin for immigrants to Canada based upon the composition of the most recent wave of immigrants. The results are consistent with previous studie...

2009
Keith Linares

Super Mario Galaxy has been almost universally lauded as an enchanting, almost magical game, but what meaning is there to be found within the text? What does the entire experience actually represent and communicate to the player on the whole? With many now wondering what more could possibly be done to advance the classic 3D platformer, this paper aims to examine in depth what transforms Super M...

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