نتایج جستجو برای: romer (mar) externalities

تعداد نتایج: 14946  

Journal: :تحقیقات اقتصادی 0
شکوفه فرهمند استادیار دانشکده ی اقتصاد دانشگاه اصفهان مینا ابوطالبی کارشناس ارشد اقتصاد

urbanization agglomeration that is named jacobs externalities, refers to the role of economic diversification in urban. localization agglomeration, marshal-arrow-romer (mar) externalities, is related to the concentration of firms activated in a special industry within a specified place. the purpose of this research is to explore the impact of different types of agglomeration economies on employ...

2012
ZHAO Ting ZHAO Wei

By reviewing and improving previous empirical works on this topic, the present paper investigates the dynamic externalities of agglomeration in China. Taking China’s top three municipalities (i.e., Beijing, Shanghai, and Tianjin) as sample regions, it assesses empirically and compares how three types of dynamic externalities—namely MAR (Marshall–Arrow–Romer), Jacobs, and Porter externalities—af...

2003
Jean Monnet

The paper seeks to develop our understanding of the somewhat diffuse nature of technological externalities in technological space by associating a geographical dimension with the sectoral dimension. Using panel data this paper estimates a knowledge production function that allows for spillovers inside the same industry and outside, and for local as well as global geographical spillovers. This a...

2010
Martijn J. Smit Maria A. Abreu Henri L.F. de Groot

This paper employs firm-level data to analyze the relative importance of firm characteristics and agglomeration externalities in explaining variation in innovation rates across firms. More specifically, we combine micro-data and census data to estimate the probability that a firm will introduce a goods, service or process innovation. We consider internal firm-level characteristics as well as ex...

2007
Michael Fritsch Viktor Slavtchev

Innovation processes are characterized by a pronounced division of labor between actors. Two types of externality may arise from such interactions. On the one hand, a close location of actors affiliated to the same industry may stimulate innovation (MAR externalities). On the other hand, new ideas may be born by the exchange of heterogeneous and complementary knowledge between actors, which bel...

2007
Henri L.F. de Groot Jacques Poot Martijn J. Smit

Innovation and technological change are central to the quest for regional development. In the globally-connected knowledge-driven economy, the relevance of agglomeration forces that rely on proximity continues to increase, paradoxically despite declining real costs of information, communication and transportation. Globally, the proportion of the population living in cities continues to grow and...

Journal: :Techn. Analysis & Strat. Manag. 2014
Jian Li Dylan Sutherland Lutao Ning Yuandi Wang

This paper uses panel data between 2000 and 2010 to explore how firm ownership and regional industrial structures contribute to regional innovation performance in Chinese provinces. Specifically, we explore how the extent of specialization and diversification in regional industrial structures at the province level foster both MAR and Jacobs spillovers, as well as how foreign and state ownership...

2004
ALBERT PARK

Economic development and structural transformation are dynamic processes in which sectoral interactions are numerous and multidirectional. Recent growth literature has noted that many of these effects occur in the form of externalities not captured in a neoclassical accounting of intersectoral resource flows and price adjustments. This work has emphasized, for example, that increasing returns p...

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