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Carlino, Gerald; Kerr, William R. - National Bureau of Economic Research (NBER) - 2014

This chapter reviews academic research on the connections between agglomeration and innovation. We first describe the … conceptual distinctions between invention and innovation. We then describe how these factors are frequently measured in the data …, industrial diversity) that theoretical and empirical work link to innovation, and we discuss factors that help sustain these …

Persistent link: https://www.econbiz.de/10010885295

Local Industrial Conditions and Entrepreneurship: How Much of the Spatial Distribution Can We Explain?

Glaeser, Edward Ludwig; Kerr, William R. - National Bureau of Economic Research (NBER) - 2008

Why are some places more entrepreneurial than others? We use Census Bureau data to study local determinants of manufacturing startups across cities and industries. Demographics have limited explanatory power. Overall levels of local customers and suppliers are only modestly important, but new...

Persistent link: https://www.econbiz.de/10005714042

Clusters of Entrepreneurship

Glaeser, Edward Ludwig; Ponzetto, Giacomo A. M.; Kerr, … - National Bureau of Economic Research (NBER) - 2009

Employment growth is strongly predicted by smaller average establishment size, both across cities and across industries within cities, but there is little consensus on why this relationship exists. Traditional economic explanations emphasize factors that reduce entry costs or raise...

Persistent link: https://www.econbiz.de/10008548787

Agglomerative Forces and Cluster Shapes

Kerr, William R.; Kominers, Scott Duke - National Bureau of Economic Research (NBER) - 2010

We model spatial clusters of similar firms. Our model highlights how agglomerative forces lead to localized, individual connections among firms, while interaction costs generate a defined distance over which attraction forces operate. Overlapping firm interactions yield agglomeration clusters...

Persistent link: https://www.econbiz.de/10008777358

Entrepreneurship and Urban Growth: An Empirical Assessment with Historical Mines

Glaeser, Edward Ludwig; Kerr, Sari Pekkala; Kerr, William R. - National Bureau of Economic Research (NBER) - 2012

Measures of entrepreneurship, such as average establishment size and the prevalence of start-ups, correlate strongly with employment growth across and within metropolitan areas, but the endogeneity of these measures bedevils interpretation. Chinitz (1961) hypothesized that coal mines near...

Persistent link: https://www.econbiz.de/10010821933

The Geography of Crowdfunding

Agrawal, Ajay K.; Goldfarb, Avi; Catalini, Christian - National Bureau of Economic Research (NBER) - 2011

Perhaps the most striking feature of "crowdfunding" is the broad geographic dispersion of investors in small, early-stage projects. This contrasts with existing theories that predict entrepreneurs and investors will be co-located due to distance-sensitive costs. We examine a crowdfunding setting...

Persistent link: https://www.econbiz.de/10008855521

University Research, Industrial R&D, and the Anchor Tenant Hypothesis

Agrawal, Ajay K.; Cockburn, Iain M. - National Bureau of Economic Research (NBER) - 2002

innovation system,' and these appear to vary markedly in their ability to convert local academic research into local commercial … innovation. We develop and test the hypothesis that the presence of a large, local, R&D-intensive firm an anchor tenant' enhances … the productivity of local innovation systems by making local university research more likely to be absorbed by and to …

Persistent link: https://www.econbiz.de/10005718229

Brain Drain or Brain Bank? The Impact of Skilled Emigration on Poor-Country Innovation

Agrawal, Ajay K.; McHale, John; Kapur, Devesh - National Bureau of Economic Research (NBER) - 2008

The development prospects of a poor country depend in part on its capacity for innovation. The productivity of its …

Persistent link: https://www.econbiz.de/10005777387

Breakthrough Inventions and Migrating Clusters of Innovation

Kerr, William R. - National Bureau of Economic Research (NBER) - 2009

We investigate the speed at which clusters of invention for a technology migrate spatially following breakthrough inventions. We identify breakthrough inventions as the top one percent of US inventions for a technology during 1975-1984 in terms of subsequent citations. Patenting growth is...

Persistent link: https://www.econbiz.de/10008614946

From Russia with Love: The Impact of Relocated Firms on Incumbent Survival

Falck, Oliver; Guenther, Christina; Heblich, Stephan; … - National Bureau of Economic Research (NBER) - 2010

We identify the impact of local firm concentration on incumbent performance with a quasi natural experiment. When Germany was divided after World War II, many firms in the machine tool industry fled the Soviet occupied zone to prevent expropriation. We show that the regional location decisions...

Persistent link: https://www.econbiz.de/10008628324