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61.
Stefan Behringer 《Controlling & Management》2011,55(3):146-146
PRAXIS | Magazin
Leseliste Top 5: Beteiligungscontrolling 相似文献62.
Stefan Gerlach 《Economics Letters》2011,112(2):186-188
I estimate a reaction function for the ECB using an ordered logit model for the period 1999-2009. Allowing for a smooth transition from one set of parameters to another, I detect a rapid change in the middle of 2008. 相似文献
63.
Shahin Gelareh Stefan Nickel 《Transportation Research Part E: Logistics and Transportation Review》2011,47(6):1092-1111
In this paper we propose a 4-index formulation for the uncapacitated multiple allocation hub location problem tailored for urban transport and liner shipping network design. This formulation is very tight and most of the tractable instances for MIP solvers are optimally solvable at the root node. While the existing state-of-the-art MIP solvers fail to solve even small size instances of problem, our accelerated and efficient primal (Benders) decomposition solves larger ones. In addition, a very efficient greedy heuristic, proven to be capable of obtaining high quality solutions, is proposed. We also introduce fixed cost values for Australian Post (AP) dataset. 相似文献
64.
65.
Marcel Fritz Christian Schlereth Stefan Figge 《Business & Information Systems Engineering》2011,3(5):269-277
The fair use flat rate is a promising tariff concept for the mobile telecommunication industry. Similar to classical flat
rates it allows unlimited usage at a fixed monthly fee. Contrary to classical flat rates it limits the access speed once a
certain usage threshold is exceeded. Due to the current global roll-out of the LTE (Long Term Evolution) technology and the
related economic changes for telecommunication providers, the application of fair use flat rates needs a reassessment. We
therefore propose a simulation model to evaluate different pricing strategies and their contribution margin impact. The key
input element of the model is provided by so-called discrete choice experiments that allow the estimation of customer preferences. 相似文献
66.
Methods and tools for integrated assessment of land use policies on sustainable development in developing countries 总被引:4,自引:0,他引:4
Pytrik Reidsma Hannes König Shuyi Feng Irina Bezlepkina Ingrid Nesheim Muriel Bonin Mongi Sghaier Seema Purushothaman Stefan Sieber Martin K. van Ittersum Floor Brouwer 《Land use policy》2011
For stimulating sustainable development in developing countries, land use patterns and land use changes are considered critical, and therefore effective and efficient land use policies are needed. In this paper we present a methodological framework that has been developed in a joint European and developing countries project (LUPIS – Land Use Policies and Sustainable Development in Developing Countries), to assess the impact of land use policies on sustainable development in developing countries. An illustrative application is presented for a case study in China, where water pollution due to agriculture in Taihu Basin is a major problem. 相似文献
67.
Marion Mehring Christina Seeberg-Elverfeldt Sebastian Koch Jan Barkmann Stefan Schwarze Susanne Stoll-Kleemann 《Land use policy》2011
Forest management poses particular challenges as the pressure on forests is huge due to deforestation. In this context, the establishment of protected areas is a common conservation measure where institutions are put in place and sanctions regarding forest use are enforced. This paper focuses on the practice of sustainable forest management and the associated perspectives of local institutions at the rainforest margins of Lore Lindu National Park (LLNP) in Central Sulawesi, Indonesia. 相似文献
68.
This study explores the properties and development of the matching technology in the Czech Republic during the transition to a market economy. Nonparametric additive modelling allows us to assess flexible functional forms, which comprise for instance CES and trans-log specifications. This enables us to evaluate the matching process locally for each combination of unemployment and vacancies rather than being restricted to global coefficients. Special interest is devoted to analysis and economic determinants of regional variation in the returns to scale of the matching function. Non-linearities are found in the partial adjustment process of unemployment outflows, and a negative coefficient on vacancies in some years. Moreover, increasing returns to scale in job-matching are found locally. Returns to scale are found to be negatively correlated to the share in employment in services and to outmigration, positively correlated to the employment share in industry, the unemployment rate and various measures of active labour market policies. 相似文献
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