linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …

I build a simple dynamic model of the formation of an international social network of importers and exporters. Firms … can only export into markets in which they have a contact. They acquire new contacts both at random, and via their network …

financial institutions. Focusing on a multi sector economy linked through a supply network, we show how structural properties of … the supply network determine both whether aggregate volatility disappears as the number of sectors increases (i … aggregate output from its mean) to sector-specific volatility and to the structural properties of the supply network …

Financial network structure is an important determinant of systemic risk. This paper examines how the U.S. interbank … network evolved over a long and important period that included two key events: the founding of the Federal Reserve and the …, initially reducing overall network concentration. The network became even more focused on Fed cities during the Depression, as …

Many economic activities are embedded in networks: sets of agents and the (often) rivalrous relationships connecting …, among many, of networked economic activities. Motivated by the premise that networks' structures are consequential, this …, summary network parameters (e.g., the degree distribution or transitivity index); and (iii) empirical models of strategic …

This paper presents and structurally estimates a model of endogenous network formation and legislative activity of … of Congress as exogenously given and instead embed it in a model of endogenous network formation useful for developing …

a discussion of sources of environmental innovation. Given that most innovation is concentrated in a few rich countries …

can be achieved with temporary taxation of dirty innovation and production; (ii) optimal policy involves both "carbon … exhaustible resource in dirty input production helps the switch to clean innovation under laissez-faire when the two inputs are …

are global increasing returns, the returns to local scale in innovation may be decreasing, and that makes networks more …Should China build mega-cities or a network of linked middle-sized metropolises? Can Europe's mid-sized cities compete … recombinant growth and endogenous local amenities. Three primary factors determine the trade-off between networks and big cities …