Malte Brettel

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Absorptive capacity (ACAP) is a firm's ability to innovate by identifying, assimilating, and exploiting knowledge available in its environment. ACAP has been widely researched, but this research has not sufficiently analyzed the influence of ACAP on an interfirm level, especially regarding the multidimensional character of this construct. The present study(More)
We have isolated from a rainbow trout (Oncorhynchus mykiss) spleen cDNA library a clone coding for vimentin. The deduced amino acid sequence reveals a high degree of identity with vimentin from carp (81%), frog (71%), chick and human (73% each). Large stretches in the central alpha-helical rod are identical within all four classes of vertebrates, but in 17(More)
a r t i c l e i n f o a b s t r a c t Innovative products are widely recognized as an important source of competitive advantage. However, many companies have difficulties finding efficient and successful approaches to different types of R&D projects, particularly those that involve a high level of innovativeness. Therefore, the present study moves(More)
" Effectuation " is a new approach to explain the success or failure of entrepreneurs. In contrast to the traditional " causation " approach the entrepreneur is not considered to be driven by a concrete goal and to choose between different alternatives in regard to how well they help to achieve this goal. Instead the entrepreneur evaluates the alternatives,(More)
Online advertising has short-and long-term effects. Little is known, however, about which online advertising channel works best to address particular customer groups when short-and long-term effects, are taken into account. We look at the sales effect of search engine marketing (SEM), banner advertising, price comparison advertising (PCA) and coupon/loyalty(More)
This is the third international conference on the problems of the European entrepreneurship after the first two conferences held respectively in 2006 and 2008. The 2006 conference entitled 'Entrepreneurship in United Europe – Challenges and Opportunities' was held in Sunny Beach resort, Black Sea, Bulgaria, and the second one – September 2008 – in Sunny Day(More)