Christos Michalakelis

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a r t i c l e i n f o a b s t r a c t Forecasting diffusion of new technologies is usually performed by the means of aggregate diffusion models, which tend to monopolize this area of research and practice, making the alternative approaches, like the Box-Jenkins, less favourable choices due to their lack of providing accurate long-term predictions. This(More)
—Based on concepts of ecology modeling and specifically on population biology, a methodology for describing a high-technology market's dynamics is developed and presented. The importance of the aforementioned methodology is its capability to estimate and forecast the degree of competition, market equilibrium , and market concentration, the latter expressed(More)
It is evidence that the demand for Asymmetric Digital Subscriber Line (ADSL) connections increases day by day in all European countries as much as worldwide and it is well known that Internet's penetration is considerably amazing. At the same time, due to the fierce competition among ADSL connections providers, several packages are offered in attractive(More)
New product diffusion process studies focus mainly on estimating the adoption rate of the product, within the boundaries of the targeted market. However, and especially for high technology and telecommunications products , it is very likely the case that products or services are introduced simultaneously into a number of market segments, a fact that it is(More)
This study contributes to the current literature of eGovernment adoption, by proposing a parsimonious, yet comprehensive model, based on three socioeconomic theories namely, institutionalism, endogenous and exogenous growth. Using this framework as the guiding theoretical lens, critical factors are identified, while their impact is evaluated with an(More)
Cloud computing, as an innovative business model, has experienced rapid diffusion across the international business world, offering many benefits to both the demand and the supply side of the ICT market. In particular, the public cloud approach receives more attention and the Infrastructure as a Service (IaaS) model is expected to be the fastest growing(More)