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Un análisis comparativo de la provisión del transporte público urbano: Especial referencia a la Ciudad de Málaga

Lara, Macarena Marchante; Chicón, Carlos G. Benavides - In: Revista de Estudios Regionales 03 (2013), pp. 105-130

<b>Resumen:</b><br> <br> Actualmente, las grandes áreas urbanas no son viables sin la existencia de un transporte público adecuado. Este trabajo caracteriza el transporte público urbano de autobuses de la ciudad de Málaga tomando como referencias otras áreas metropolitanas españolas como Madrid o...

Persistent link: https://www.econbiz.de/10011094268

Ensuring service levels in routing problems with time windows and stochastic travel times

Ehmke, Jan Fabian; Campbell, Ann Melissa; Urban, Timothy L. - In: European Journal of Operational Research 240 (2015) 2, pp. 539-550

In the stochastic variant of the vehicle routing problem with time windows, known as the SVRPTW, travel times are assumed to be stochastic. In our chance-constrained approach to the problem, restrictions are placed on the probability that individual time window constraints are violated, while...

Persistent link: https://www.econbiz.de/10011097676

A 4D-sequencing approach for air traffic management

Prot, D.; Rapine, C.; Constans, S.; Fondacci, R. - In: European Journal of Operational Research 237 (2014) 2, pp. 411-425

The current air traffic system is forecasted to face strong challenges due to the continuous increase in air traffic demand. Hence, there is a need for new types of organization permitting a more efficient air traffic management, with both a high capacity and a high level of safety, and possibly...

Persistent link: https://www.econbiz.de/10011097819

Mitigating climate change: Decomposing the relative roles of energy conservation, technological change, and structural shift

Mishra, Gouri Shankar; Zakerinia, Saleh; Yeh, Sonia; … - In: Energy Economics 44 (2014) C, pp. 448-455

buildings, industry, and transportation. Our results show that technological improvements and energy conservation are important …

Persistent link: https://www.econbiz.de/10011100121

Territories, logistics services and infrastructures: a survey of manufacturers

Beretta, Enrico; Migliardi, Andrea - Banca d'Italia - 2014

This paper exploits the results of a survey conducted by the Bank of Italy in 2012 on a sample of 1,200 Italian manufacturers in order to analyse logistics costs, outsourcing and the features potentially impacting on the efficiency of the Italian supply chain. We also compare manufacturers'...

Persistent link: https://www.econbiz.de/10011100334

The survey on international freight rates in Italy: methods and results

Pastori, Enrico; Tagliavia, Miriam; Tosti, Enrico; … - Banca d'Italia - 2014

The paper describes the methodology and the main results of the sample survey on international merchandise transport that the Bank of Italy has carried out since 1999, with a reconstruction of the aggregate time series to 1989. We have obtained information on the different transport modes from...

Persistent link: https://www.econbiz.de/10011100371

Making the Most of Public Investment in MENA and CCA Oil-Exporting Countries

Albino-War, Maria A; Cerovic, Svetlana; Grigoli, Francesco - International Monetary Fund (IMF) - 2014

Over the past decade, rising oil prices have translated into high levels of public investment in most MENA and CCA oil exporters. This has prompted questions about the efficiency of public investment in generating growth and closing infrastructure gaps, as well as concerns about fiscal...

Persistent link: https://www.econbiz.de/10011105405

Integration of Wind Energy, Hydrogen and Natural Gas Pipeline Systems to Meet Community and Transportation Energy Needs: A Parametric Study

Garmsiri, Shahryar; Rosen, Marc A.; Smith, Gordon Rymal - In: Sustainability 6 (2014) 5, pp. 2506-2526

The potential benefits are examined of the “Power-to-Gas” (P2G) scheme to utilize excess wind power capacity by generating hydrogen (or potentially methane) for use in the natural gas distribution grid. A parametric analysis is used to determine the feasibility and size of systems producing...

Persistent link: https://www.econbiz.de/10011029985

Environmental life-cycle assessment of rapeseed-based biodiesel: Alternative cultivation systems and locations

Malça, João; Coelho, António; Freire, Fausto - In: Applied Energy 114 (2014) C, pp. 837-844

abiotic depletion and the consumption of heavy fuel oil in transoceanic transportation is an important contributor to …

Persistent link: https://www.econbiz.de/10011041295

Information Technology and Transportation: Substitutes or Complements?

Oliver, Atara Stephanie - Volkswirtschaftliche Fakultät, … - 2013

use such products as substitutes for transportation. Common examples of this substitution are telecommuting, video … transportation, prior research has indicated that the relationship between ICT and transportation is quite complex; at times ICT … ICT expenditures on transportation demand. The analysis indicates that ICT may serve as a substitute for air travel, but …

Persistent link: https://www.econbiz.de/10011110596