Search results for "Gravity model"
showing 10 items of 54 documents
Canonical equivalence of a generic 2-D dilaton gravity model and a free field
1997
We show that a canonical transformation converts, up to a boundary term, a generic 2-D dilaton gravity model into a free field theory with a Minkowskian target space.
Measuring the impact of regional export promotion: The Spanish case
2008
This article estimates the effect of Spanish regional trade agencies abroad on exports using the gravity model. The results indicate that regional agencies increase trade. The estimated impact seems to be larger than that of Spanish embassies and consulates. Moreover, a dis- aggregated analysis shows that this effect is not evenly distributed across Spanish regions. JEL classification: F14, R12
Explaining German outward FDI in the EU: a reassessment using Bayesian model averaging and GLM estimators
2021
The last decades have seen an increasing interest in FDI and the process of production fragmentation. This has been particularly important for Germany as the core of the European Union (EU) production hub. This paper attempts to provide a deeper under standing of the drivers of German outward FDI in the EU for the period 1996–2012 by tackling the two main challenges faced in the modelization of FDI, namely the variable selection problem and the choice of the estimation method. For that purpose, we first extend previous BMA analysis developed by Camarero et al. (Econ Model 83:326–345, 2019) by including country-pair-fixed effects to select the appropriate set of variables. Second, we compare…
The total social costs of constructing and operating a high-speed rail line using a case study of the Riyadh-Dammam Corridor, Saudi Arabia
2019
Introducing a High-Speed Rail technology between the Saudi Arabian cities starts raising many challenging issues of different nature ranging from technical to operational, which require huge investments in infrastructure, operations and maintenance. Background information about the development of HSR worldwide to date is included. However, the main aim of this paper is to determine a methodology to estimate the full cost of travel and provide insights into the working model developed to include the calculations of the total social costs of building a new HSR line for the Riyadh-Dammam corridor in Saudi Arabia and understand in what circumstances it is a suitable technology to use. The Sprea…
Determinants of Italy's agri-food trade flows with the Mediterranean non-Eu partner countries
2013
The objective of this paper is to evaluate the determinants of Italy’s agri-food exports in the markets of Mediterranean non-EU partner countries and, particularly, the impact of Agreement Association signed in the Euro-Mediterranean partnership. The Mediterranean Sea situated at the crossroad of three continents, the European, the Asian and the African one, has ever been of great strategic interest for several geo-economical powers and in particular of the European Union as one of its foreign policy main protagonists. Italy as a centred Mediterranean country which is sharing agri-food production with some Mediterranean partners could profit from the EU’s relationships with the partners of …
Political risk and export promotion: evidence from Germany
2008
Political risk represents an important hidden transaction cost that reduces international trade. This paper investigates the claim that German public export credit guarantees (Hermes guarantees) mitigate this friction to trade flows and hence promote exports. We employ an empirical trade gravity model, where we explicitly control for political risk in the importing country in order to evaluate the effect of export guarantees. The idea behind export promotion through public export credit agencies (ECAs) is that the private market is unable to provide adequate insurance for all risks associated with exports. As a consequence, firms' export activities are limited in the absence of insurance pr…
The contribution of human migration to tourism: The VFR travel between the EU28 member states
2017
This study explores the correlation between human migration and that part of tourism due to people visiting friends and relatives in a foreign country. We first compared the network structure of migration stocks and tourism flows between the 28 member countries of the European Union over the period 2000–2012. Then, we performed several econometric analyses to study the main tourism determinants and the correlations between migration to tourism. The paper derives from the discussion of the results an estimate of the contribution to the overall tourism phenomenon due to visiting friends and relatives. Complex network analysis and gravity models were the investigation methods preferred.
EMU and the Euro-Mediterranean Dialogue: Trade Interdependence between Mediterranean and Euro-area Countries
2009
Economic interdependence and trade encourage international dialogue and represent a base for reducing international conflicts. Hence, international co-operation for the reduction of barriers to trade and capital flows can be important not only in inducing economic progress, but also in promoting peace (Polachek and Siegle 2006). In this respect, the introduction of the euro represents an epochal event for both the participants in the single European currency and for their external partners, and in particular those in neighbouring regions. However, whilst a large body of literature has focused on analysing the first, in particular, with respect to the impact of the euro on intra-regional tra…
Asylum Migration, Borders, and Terrorism in a Structural Gravity Model
2021
This article has benefited from very helpful comments from two anonymous reviewers and the Academic Editor Inmaculada Martinez. The authors would like to acknowledge the financial support from Junta de Andalucia (SEJ 413), from Generalitat Valenciana (GV Prometeo 2018/102 and GV/2020/012), the Spanish Ministry of Science, Innovation and Universities (RTI2018-100899-B-I00, co-financed with FEDER), and the Kellogg Institute for International Studies (University of Notre Dame).
Deep structural setting of the North American-Caribbean plate boundary in eastern Guatemala
2009
Se presenta un modelo bidimensional de gravedad para determinar la estructura en profundidad del sistema de fallas lateral-izquierda de Motagua-Polochic, que son parte del límite de las placas América del Norte y del Caribe. Estos elementos tectónicos, sismicamente activos, atraviesan oeste-este la región de Guatemala y se sobreponen a una línea de sutura donde afloran cuerpos ophiolíticos. En las principales zonas de desplazamiento de las fallas se han desarrollado cuencas de pull-apart y regiones de restricción (push-up). El análisis estructural de algunas de estas fallas, situadas a lo largo del valle Izabal y del valle Motagua, en combinación con los datos obtenidos del satélite, ha per…