نتایج جستجو برای: overs

تعداد نتایج: 466  

Journal: :Knowl.-Based Syst. 2002
Susana C. Esquivel S. W. Ferrero Raúl Héctor Gallard Carolina Salto Hugo Alfonso Martin Schütz

Over the past few years, a continually increasing number of research efforts have investigated the application of evolutionary computation techniques for the solution of scheduling problems. Scheduling can pose extremely complex combinatorial optimization problems, which belong to the NP-hard family. Last enhancements on evolutionary algorithms include new multirecombinative approaches. Multipl...

Journal: :Economies 2021

The purpose of this paper is to determine the liquidity spillover effects trades executed in European sovereign bond markets and assess driving factors behind magnitude spill-overs between different markets. one minute-frequency limit order-book dataset constructed from mid-2011 until end-2017 for bonds six largest euro area countries. It used event study panel regression model. results reveale...

Journal: :Journal of European Public Policy 2021

In this article, we apply the ‘failing forward’ approach to analyse negotiations on and design of reforms Eurozone economic governance tackle Covid-19-related crisis Economic Monetary Union (EMU). This highlights both spill-overs from major asymmetries in EMU weaknesses incomplete Eurozone. We focus financial support mechanisms agreed upon after intergovernmental situations. These represent com...

Journal: :Communications biology 2021

Abstract A key question in microbial ecology is what the driving forces behind persistence of large biodiversity natural environments are. We studied a community with more than 100 different types species which evolved 15-years old bioreactor benzene as main carbon and energy source nitrate electron acceptor. Using genome-centric metagenomics plus metatranscriptomics, we demonstrate that most m...

Journal: :Review of Managerial Science 2021

Abstract Achieving and sustaining growth depends on the effective work of multiple interconnected actors—such as e.g. governments, private sector, society, universities, entrepreneurs many others—who build an ecosystem, i.e. a social economic environment for innovative entrepreneurial endeavors. The underlying idea is that firms do not just compete with each other through well-developed stand-a...

Journal: :Food Security 2022

Abstract Livestock is a major savings device in sub-Sahara Africa agriculture. I measure to what extent the value of livestock drops during food shortages. For this purpose exploit Malawian prices meat and maize for 72 markets from 1991 2009, period with several show that large meat–maize terms trade – our proxy are associated During shortages decreases 54% 65%. The evidence consistent increase...

1999

Over the past five years several groups have promoted the use of the radial artery as the second conduit of choice for coronary artery bypass grafting (CABG), after the left internal mammary artery (LIMA) and in preference to the saphenous vein. The attractions of the radial artery to the surgeon are immediate and obvious: it is a versatile conduit that can be harvested easily and safely, it ha...

2000
Nils Karl Sørensen

This paper examines the development in the intra-industry trade pattern in two small open economies within the period 1961-1987. We compute Grubel-Lloyd indices and examine both the time pattern, the country pattern, and the product pattern. For both countries the level of intraindustry trade has grown rapidly and product differentiation has increased. However, this process occurred later in Ir...

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