R&D Failure and Second Generation R&D: New Potentialities
نویسندگان
چکیده
منابع مشابه
R&D Failure and Second Generation R&D: New Potentialities
Ample incentives exist for firms to pursue product, service, or process innovations to increase their profitability. In contrast, few incentives exist for firms to pursue innovations that provide social externalities if these are not inherently profitable. This article provides an argument that first generation research and development (R&D), or R&D that does not utilise economies of scale (as ...
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It is proved that every commutative ring whose RD-injective modules are Σ-RD-injective is the product of a pure semi-simple ring and a finite ring. A complete characterization of commutative rings for which each artinian (respectively simple) module is RD-injective, is given. These results can be obtained by using the properties of RD-flat modules and RD-coflat modules which are respectively th...
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This is a brief review of data obtained by analyzing the morphology and the physiology of the retinas in rd/rd and normal, wt mice, aged 10-90 days. Second-order neurons of the rd/rd show abnormalities that start with the anomalous development of rod bipolar cells around P10 and culminate with the atrophy of dendrites in cone bipolar cells, mostly evident at P90. Horizontal cells remodel consid...
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PURPOSE In the rd/rd mouse, the cell death of rod photoreceptors has been correlated to abnormal levels of the cyclic nucleotide cGMP within photoreceptors. Given that cGMP is required for opening of the cationic channels, there is the possibility that a high cGMP concentration would maintain these channels open, at a high energy cost for the retina. METHODS We investigated whether cation cha...
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ژورنال
عنوان ژورنال: Mediterranean Journal of Social Sciences
سال: 2014
ISSN: 2039-9340,2039-2117
DOI: 10.5901/mjss.2014.v5n3p11