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Nursery Cities: Urban Diversity, Process Innovation and the Life-Cycle of Products
Gilles Duranton,Diego Puga +1 more
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In this paper, a simple model of process innovation is proposed, where firms learn about their ideal production process by making prototypes and switch to mass-production and relocate to specialised cities with lower costs.Abstract:
A simple model of process innovation is proposed, where firms learn about their ideal production process by making prototypes. We build around this a dynamic general equilibrium model, and derive conditions under which diversified and specialised cities coexist. New products are developed in diversified cities, trying processes borrowed from different activities. On finding their ideal process, firms switch to mass-production and relocate to specialised cities with lower costs. When in equilibrium, this configuration welfare-dominates those with only diversified or only specialised cities. We find strong evidence of this relocation pattern in establishment relocations across French employment areas 1993u1996.read more
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Jobs and land use within cities : a survey of theory, evidence, and policy
TL;DR: In this paper, the authors review the theory and empirical evidence to understand the urban morphology of jobs and land use within a city and highlight four broad insights: (i) the evolution of monocentric to polycentric centers has been accompanied by structural changes in the city.
Urbanization and Growth
TL;DR: In this paper, the authors propose some specific actions to confront the unintended consequences of modern cities, which are accompanied by unintended consequences, such as urbanization with growth, and how engineers and members of IABSE should confront these challenges.
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Diversity, stability and regional growth in the U.S. (1975-2002)
TL;DR: The authors summarizes the theoretical arguments from evolutionary theory and ecological economics to put the trade-off between regional economic diversity and regional economic growth on stronger theoretical foundations, and test these arguments using an empirical model that links regional economic diversities to stability and growth using data on 177 BEA areas of the continental United States during the period (1975-2002).
Financing r&d investments: relationship lending or financial markets?
Giacinto Micucci,Paola Rossi +1 more
TL;DR: In this article, the authors analyzed the relationship between innovative firms and their main bank and found that firms that rely on bonds and outside equity financing tend to invest more in R&D, suggesting that relationship lending is only a partial substitute for the direct access to financial markets.
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The nexus between innovation and wellbeing across the EU space: What role for urbanisation?:
Camilla Lenzi,Giovanni Perucca +1 more
TL;DR: The importance of innovation for economic performance and competitiveness, whatever the level of analysis adopted, is uncontroversial as discussed by the authors. Yet little is known about the relationship between innovation and economic performance.
References
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Book
Principles of Economics
TL;DR: In this article, the authors present a survey of the general relations of demand, supply, and value in terms of land, labour, capital, and industrial organization, with an emphasis on the fertility of land.
Book
The Economy of Cities
TL;DR: In this article, the authors studied the economy of cities and the main social problems that humanity has and the greatest source of creativity, innovation and development opportunities to solve those problems, which is relevant for a number of reasons: first of all, because most of the planet's population is grouped in them.
Posted Content
Growth in Cities
Edward L. Glaeser,Edward L. Glaeser,Edward L. Glaeser,Hedi Kallal,Jose A. Scheinkman,Jose A. Scheinkman,Jose A. Scheinkman,Andrei Shleifer,Andrei Shleifer +8 more
TL;DR: In this paper, the authors used a new data set on the growth of large industries in 170 U.S. cities between 1956 and 1987 and found that local competition and urban variety, but not regional specialization, encourage employment growth in industries.
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Innovation in cities: Science-based diversity, specialization and localized competition
TL;DR: In this article, the authors consider the effect of the composition of economic activity on innovation and test whether the specialization of economic activities within a narrow concentrated set of activities is more conducive to knowledge spillovers or if diversity, by bringing together complementary activities, better promotes innovation.
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Original Innovation, Learnt Innovation and Cities: Evidence from UK SMEs:
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