نتایج جستجو برای: empirical hybrid model

تعداد نتایج: 2397988  

2003
Yu Du Wulin Suo

In this paper, we investigate whether the theoretical default probability measures calculated from Merton’s (1974) structural credit risk model can provide a better way to explain and predict credit rating than traditional statistical models. The empirical results suggest that Merton’s theoretical default measure is not a sufficient statistic of equity market information concerning credit quali...

Journal: :JSW 2014
Asif Gill

Software intensive organisations require the integration of agility, people, process, product and tool elements for establishing a hybrid adaptive software development capability. This paper presents the results of the empirical study that has been conducted to identify the important underlying characteristics of the hybrid adaptive software development capability elements. Based on this invest...

2013
Yoonseok Choi Sunghyun Kim

Hybrid New Keynesian Phillips curve (NKPC) has been widely used in monetary policy literature (e.g. Gali and Gertler, 1999) as it contains both forward-looking and backward-looking components and therefore fits the data well. A typical backward-looking part of price setting behavior assumes that firms use the previous period’s price. In this paper, we propose a generalized version of the hybrid...

Journal: :Decision Support Systems 2000
Shuliang Li

In this paper, the development of a hybrid intelligent system for developing marketing strategy is described. The hybrid system has been developed to: provide a logical process for strategic analysis; support group assessment of strategic marketing factors; help the coupling of strategic analysis with managerial intuition and judgement; help managers deal with uncertainty and fuzziness; and pro...

Journal: :journal of research in health sciences 0
negin-sadat mirian morteza sedehi soleiman kheiri ali ahmadi

background : in medical studies, when the joint prediction about occurrence of two events should be anticipated, a statistical bivariate model is used. due to the limitations of usual statistical models, other methods such as artificial neural network (ann) and hybrid models could be used. in this paper, we propose a hybrid artificial neural network-genetic algorithm (ann-ga) model to predictio...

 Despite the consensus on the importance of nominal rigidities, there is no general agreement among monetary economists regarding the most appropriate and consistent pricing model that must be used to assess the effects of monetary policies in the economy. Due to the lack of empirical evidence with relation to the pricing behavior of Iranian firms, there is no general agreement on how to introd...

Journal: :international journal of advanced biological and biomedical research 2014
abazar solgi feridon radmanesh heidar zarei vahid nourani

awareness of the level of river flow and its fluctuations at different times is one of the significant factor to achieve sustainable development for water resource issues. therefore, the present study two hybrid models, wavelet- adaptive neural fuzzy interference system (wanfis) and wavelet- artificial neural network (wann) are used for flow prediction of gamasyab river (nahavand, hamedan, iran...

2009
Marina Berkovich Jan Marco Leimeister Helmut Krcmar

In this paper we report on an empirical study on requirements engineering of hybrid products. Hybrid products (often also referred to as product service systems) – a combination of product, software and service elements – are an emerging trend on the market. Companies intend to offer holistic solutions for customer problems and not single products. The development of hybrid products differs fro...

2007
Peter Howitt

In this paper we show how moving from the neoclassical model to the more recent endogenous growth paradigm can lead to markedly different interpretations of the same growth accounting data. In neoclassical theory, even if between 30 and 70 per cent of the growth of output per worker in OECD countries can be ‘accounted for’ by capital accumulation, yet in the long run all of the growth in output...

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