Showing 1 - 10 of 316
, summary network parameters (e.g., the degree distribution or transitivity index); and (iii) empirical models of strategic … network formation admitting interdependencies in preferences. Current research challenges and open questions are also …
Persistent link: https://www.econbiz.de/10012857731
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 …
Persistent link: https://www.econbiz.de/10012980661
We develop a theoretical model of security investments in a network of interconnected agents. Network connections … strategic substitutes. In a general (non-symmetric) network, this implies that underinvestment by some agents will encourage … symmetric or locally tree-like. We also characterize the impact of network structure on equilibrium and optimal investments …
Persistent link: https://www.econbiz.de/10013079755
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 …
Persistent link: https://www.econbiz.de/10012980187
social network connections. Areas with more social ties to two early COVID-19 “hotspots” (Westchester County, NY, in the U …
Persistent link: https://www.econbiz.de/10012837185
We use anonymized and aggregated data from Facebook to explore the spatial structure of social networks in the New York metro area. We highlight the importance of transportation infrastructure in shaping urban social networks by showing that travel time and travel costs are substantially...
Persistent link: https://www.econbiz.de/10012867065
We document that the recent house price experiences within an individual's social network affect her perceptions of the … anonymized social network information from Facebook with housing transaction data and a survey. We first show that in the survey …
Persistent link: https://www.econbiz.de/10012991691
, members of the majority group have more network connections and are exposed to more information than the minority group. We … US elections in a social network of 2.2 million politically-engaged Twitter users. Consistent with the model, we find … that members of the majority group in each state-level network have more connections and are exposed to more tweets than …
Persistent link: https://www.econbiz.de/10013031823
industry, where there are strong network externalities and some customers face switching costs. A high probability of an …
Persistent link: https://www.econbiz.de/10013298326
How large are spatial barriers to transferring knowledge? We analyze the international operations of multinational firms to answer this fundamental question. In our model firms can transfer bits of knowledge to their foreign affiliates in either embodied (traded intermediates) or disembodied...
Persistent link: https://www.econbiz.de/10013150291