نتایج جستجو برای: O31

تعداد نتایج: 439  

2001
Johannes Fedderke

This paper examines whether endogenous growth processes can be found in middle income country contexts. Estimation proceeds by means of dynamic heterogeneous panel analysis. Empirical evidence ...nds in favour of both knowledge spill-over e¤ects, and of positive impacts on total factor productivty growth by Schumpeterian innovative activity. A crucial ...nding is that spill-over e¤ects emerge f...

2014
Felipe Valencia William F. Maloney Felipe Valencia Caicedo

Engineers, Innovative Capacity and Development in the Americas Using newly collected national and sub-national data and historical case studies, this paper argues that differences in innovative capacity, captured by the density of engineers at the dawn of the Second Industrial Revolution, are important to explaining present income differences, and, in particular, the poor performance of Latin A...

2011
Tomoya Mori Masahisa Fujita Marcus Berliant

Literature from several phases of the career of Masahisa Fujita is surveyed chronologically, with a view toward future contributions in these areas. First we address the economic structure of the interior of a city with mobile consumers, adding production. Next we provide a critical discussion of the New Economic Geography, in particular distinguishing between recent approaches employing two re...

2010
René Söllner

The paper investigates the relationship between human capital diversity measured in terms of occupational diversity and a rm's likelihood to innovate. The empirical analysis is based on a linked employer-employee panel dataset of German rms over the period 1998 to 2007. Despite notable di erences between service and manufacturing rms, our results clearly indicate a positive relationship between...

2013
William R. Kerr

This study tests the importance of Ricardian technology differences for international trade. The empirical analysis has three comparative advantages: including emerging and advanced economies, isolating panel variation regarding the link between productivity and exports, and exploiting heterogeneous technology diffusion from immigrant communities in the United States for identification. The lat...

2011
Hamid Beladi Sugata Marjit Lei Yang

This paper examines the impact of the outsourcing of production on the volume and composition of the home country’s research and development. We find that outsourcing decreases the process R&D of the multinational firm in large markets when it only conducts process R&D (the substitution effect between outsourcing and process R&D). Outsourcing tends to emerge as a complementary factor to product...

Journal: :Molecules 2017
Vikram Singh Yujiao Zhang Linping Yang Pengtao Ma Dongdi Zhang Chao Zhang Li Yu Jingyang Niu Jingping Wang

Two novel heteropolyoxomolybdate [XMo₈O31]n- (X = Ge(1) or P(2)) manganese carbonyl derivatives [(CH₃)₄N]₆H₆{MnII(GeMo₈O31)[MnI(CO)₃]₂}₂·12H₂O (1) and [(CH₃)₄N]₄H₆{MnII(PMo₈O31)[MnI(CO)₃]₂}₂·14H₂O (2), have been successfully synthesized and characterized in the solid state by single crystal X-ray diffraction, IR and thermogravimetric analysis, and in solution by UV-Vis spectroscopy and electroc...

2005
Milo Bianchi Magnus Henrekson

We review and evaluate some recent contributions on modeling entrepreneurship within a neoclassical framework, analyzing how and to what extent the fundamental ingredients suggested in the social science literature were captured. We show how these approaches are important in stressing the main elements of a complex picture without being able to fully describe it. Each modeling attempt focuses o...

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