نتایج جستجو برای: o38
تعداد نتایج: 121 فیلتر نتایج به سال:
Using a panel of 30 Japanese chemical and pharmaceutical companies for the period of 1985 to 1998, we estimate the effects of university-industry research collaboration (UIC) on participating firms’ research output. We find, as in other studies in the field, that UIC leads to more research output, in terms of the number of patents obtained. In contrast to the results for the U.S., however, we f...
Linkages between industry and university have become crucial for knowledge discovery and driving industrialization within fast-paced global competition and technological evolution. This study offers a pair-wise cross-case analysis of the transitioning of Pohang University of Science and Technology (POSTECH) and Sungkyunkwan University (SKKU) to become entrepreneurial universities through the Co...
The financing of innovative activities by banking institutions: policy issues and regulatory options
The paper investigates to what extent the convergence of banks over risk-adjusted capital standards set by the new Basel Capital Accord may affect the way in which they screen innovative firms. It also gives an overview of the existing forms of credit support to R&D activities. The study is built upon a survey conducted in January and February 2006 on 12 main Italian banking groups. The survey ...
Using a large and novel data source, we study the structure of R&D collaboration networks in the first five EU Framework Programmes (FPs). The networks display properties typical for complex networks, including scale-free degree distributions and the small-world property. Structural features are common across FPs, indicating similar network formation mechanisms despite changes in governance rul...
We study a growth model for a single resource-based economy, as an infinite-horizon optimal control problem. The resource is assumed to be governed by the standard model of logistic growth, and is related to the output of the economy through a Cobb-Douglass type production function with an exogenously driven knowledge stock. The problem involves unbounded controls and the non-concave Hamiltonia...
It is well known that research and development (R&D) is an important engine for economic growth. Also, initial wealth inequality and subsequent economic growth are well known to be related. This paper links inequality and R&D-driven growth. It shows that in a class of economies where R&D is the main engine for growth, di¤erent wealth groups di¤er in their desire for aggregate innovative e¤orts:...
We investigate the dramatic transformation of ownership policies and ownership structure in Sweden during the postwar period. After WWII, Swedish ownership policies were guided by a socialist vision where the ultimate goal was abolition of private ownership. These policies came to an end in the early 1980s. Since then a large number of Swedish firms have been acquired by foreign owners or merge...
This paper analyzes the impact on social welfare of public policies supporting open source software (OSS). The focus of the paper is on desktop applications such as OpenOffice and Linux for desktops. Desktop users can be divided between those who know about the existence of OSS, the “informed” adopters, and the “uninformed” ones; the presence of uniformed users leads to market failures that may...
اشریشیاکلی جزو باکتریهای فلور طبیعی روده طیور است اما برخی جدایه های آن بیماریزا می باشند. در بلدرچین سویه های بیماریزای اشریشیاکلی غالباً متعلق به گروههای سرمی o88، o42، o38، o9، o4 و o15 می باشند. بلدرچین از جمله طیور پرورشی می باشد که نسبت به تعداد زیادی از عوامل باکتریائی و ویروسی مقاوم است و اعتقاد بر این بود که نسبت به عفونت اشریشیاکلی نیز بطور نسبی مقاوم باشد اما بروز کلی باسیلوز در بلدرچ...
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