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Author : Weifang Zhao
Publisher :
Page : 0 pages
File Size : 32,79 MB
Release : 2022
Category :
ISBN :
I construct a stylized model of endogenous network dynamics. In the model, large enough negative (positive) idiosyncratic shock cause the network to become denser (sparser). The initial structure of the network matters. The effect is convex in the initial density of the network.
Author : Bryan Graham
Publisher : Academic Press
Page : 246 pages
File Size : 48,84 MB
Release : 2020-05-15
Category : Business & Economics
ISBN : 0128117729
The Econometric Analysis of Network Data serves as an entry point for advanced students, researchers, and data scientists seeking to perform effective analyses of networks, especially inference problems. It introduces the key results and ideas in an accessible, yet rigorous way. While a multi-contributor reference, the work is tightly focused and disciplined, providing latitude for varied specialties in one authorial voice. Answers both ‘why’ and ‘how’ questions in network analysis, bridging the gap between practice and theory allowing for the easier entry of novices into complex technical literature and computation Fully describes multiple worked examples from the literature and beyond, allowing empirical researchers and data scientists to quickly access the ‘state of the art’ versioned for their domain environment, saving them time and money Disciplined structure provides latitude for multiple sources of expertise while retaining an integrated and pedagogically focused authorial voice, ensuring smooth transition and easy progression for readers Fully supported by companion site code repository 40+ diagrams of ‘networks in the wild’ help visually summarize key points
Author : Guglielmo Zappalà
Publisher : International Monetary Fund
Page : 85 pages
File Size : 29,32 MB
Release : 2023-03-10
Category : Business & Economics
ISBN :
Local weather shocks have been shown to affect local economic output, however, little is known about their propagation through production networks. Using a six-sector global dataset over the past fifty years, this paper examines the effect of weather fluctuations and extreme weather events on sectoral economic production and the transmission of weather shocks across sectors, countries and over time. I document that agriculture is the most harmed sector by heat shocks, droughts and cyclones. Using input-output interlinkages, I find that sectors at later stages of the supply chain suffer from substantial and persistent losses over time due to domestic and foreign heat shocks in other sectors. A counterfactual analysis of the average annual output loss accounting for heat shocks across trade partners shows a substantial underestimation of the economic cost of temperature increases since 2000.
Author : Thomas J. Sargent
Publisher : Cambridge University Press
Page : 265 pages
File Size : 25,73 MB
Release : 2024-04-25
Category : Business & Economics
ISBN : 1009456377
It has become increasingly clear that economies can fruitfully be viewed as networks, consisting of millions of nodes (households, firms, banks, etc.) connected by business, social, and legal relationships. These relationships shape many outcomes that economists often measure. Over the past few years, research on production networks has flourished, as economists try to understand supply-side dynamics, default cascades, aggregate fluctuations, and many other phenomena. Economic Networks provides a brisk introduction to network analysis that is self-contained, rigorous, and illustrated with many figures, diagrams and listings with computer code. Network methods are put to work analyzing production networks, financial networks, and other related topics (including optimal transport, another highly active research field). Visualizations using recent data bring key ideas to life.
Author : Guglielmo M. Caporale
Publisher : Edward Elgar Publishing
Page : 683 pages
File Size : 23,28 MB
Release : 2024-05-02
Category : Business & Economics
ISBN : 1803926376
This comprehensive Handbook deftly examines key aspects of financial integration, providing an overview of contemporary research and new perspectives. Employing state of the art econometric methods to obtain new empirical evidence, it will be critical for designing optimal policies, and appropriate investment and risk management strategies.
Author : Yasuhide Okuyama
Publisher : Springer Nature
Page : 422 pages
File Size : 27,97 MB
Release : 2019-11-08
Category : Business & Economics
ISBN : 3030162370
This book presents essential advances in analytical frameworks and tools for modeling the spatial and economic impacts of disasters. In the wake of natural disasters, such as Hurricane Katrina, the Haiti Earthquake, and the East Japan Earthquake and Tsunami, as well as major terrorist attacks, the book analyzes disaster impacts from various perspectives, including resilience, space-time extensions, and decision-making strategies, in order to better understand how and to what extent these events impact economies and societies around the world. The contributing authors are internationally recognized experts from various disciplines, such as economics, geography, planning, regional science, civil engineering, and risk management. Thanks to the insights they provide, the book will benefit not only researchers in these and related fields, but also graduate students, disaster management professionals, and other decision-makers.
Author : Sujan Lamichhane
Publisher : International Monetary Fund
Page : 51 pages
File Size : 33,59 MB
Release : 2023-08-25
Category : Business & Economics
ISBN :
Climate mitigation policies are being introduced around the world to limit global warming, generating new risks to the economy. This paper develops a continuous time heterogeneous agents model to study the impact of carbon pricing policy shocks on corporate default risk and the consequent transition dynamics. We derive a closed-form solution to corporate default probability based on firms' intertemporal optimization decisions and explicitly characterize the transition speed. This allows for studying policy implications in an analytically tractable way. The model is calibrated to different US corporate sectors to quantify the heterogeneous effects of carbon price shocks. While carbon-intensive sectors face increased default risks, there are notable asymmetric effects within sectors. Higher carbon prices increase default risk but also induce faster transition towards the new post-shock steady state with a highly non-linear impact. Our results suggest that once a range of possible price shocks are accounted for, the increase in the cost of capital/risk premiums might be sharply different across sectors.
Author : Yann Bramoullé
Publisher : Oxford University Press
Page : 857 pages
File Size : 28,56 MB
Release : 2016-03-01
Category : Business & Economics
ISBN : 0199948283
The Oxford Handbook of the Economics of Networks represents the frontier of research into how and why networks they form, how they influence behavior, how they help govern outcomes in an interactive world, and how they shape collective decision making, opinion formation, and diffusion dynamics. From a methodological perspective, the contributors to this volume devote attention to theory, field experiments, laboratory experiments, and econometrics. Theoretical work in network formation, games played on networks, repeated games, and the interaction between linking and behavior is synthesized. A number of chapters are devoted to studying social process mediated by networks. Topics here include opinion formation, diffusion of information and disease, and learning. There are also chapters devoted to financial contagion and systemic risk, motivated in part by the recent financial crises. Another section discusses communities, with applications including social trust, favor exchange, and social collateral; the importance of communities for migration patterns; and the role that networks and communities play in the labor market. A prominent role of networks, from an economic perspective, is that they mediate trade. Several chapters cover bilateral trade in networks, strategic intermediation, and the role of networks in international trade. Contributions discuss as well the role of networks for organizations. On the one hand, one chapter discusses the role of networks for the performance of organizations, while two other chapters discuss managing networks of consumers and pricing in the presence of network-based spillovers. Finally, the authors discuss the internet as a network with attention to the issue of net neutrality.
Author : Iván Arribas Fernández
Publisher : Fundacion BBVA
Page : 207 pages
File Size : 44,9 MB
Release : 2015-12-03
Category :
ISBN : 8492937602
La integración financiera, y del sistema bancaria en particular, han sido objeto de atención durante más de treinta años entre académicos, decisores políticos y técnicos del sector. Aunque varios factores incidan en esta tendencia ascendente, existe bastante consenso respecto a las ventajas de la integración, que son diversas y sustanciales. Sin embargo, la crisis financiera de 2007-2008 ha puesto en cuestión su expansión, dando lugar a una mayor diversidad de opiniones sobre el impacto global de una integración financiera y bancaria reforzada. En los cinco capítulos del libro se analiza de qué forma la reciente crisis financiera internacional ha contribuido a relanzar el debate sobre los posibles beneficios o riesgos de la integración financiera, considerando no solo los diferentes aspectos del tema sino las múltiples maneras de acercarse a ello. Los dos primeros capítulos analizan, para el caso español, el efecto de la expansión del mercado bancario cuando lleva parejo exposición al riesgo y desequilibrios de liquidez, así como el papel ejercido por la titulización antes de y durante las crisis. El tercer capítulo presenta nuevas medidas de integración bancaria para examinar la relación entre el grado de integración y el alcance de las crisis, mientras que los capítulos restantes emplean modelos teóricos para explicar los origines del contagio y del riesgo sistémico así como el efecto y la propagación de la caída de un banco a lo largo del sector. En el libro colaboran académicos de reconocido prestigio internacional en los campos contemplados. Estos van desde banca en general donde Santiago Carbó (Bangor Business School), Alfredo Martín (U. de las Islas Baleares), Francisco Rodríguez (U. Granada) and Emili Tortosa (U. Jaume I e Ivie) han publicado extensamente, hasta análisis de redes (sobre todo desde la perspectiva financiera), campo en el que Matteo Chinazzi y Giorgio Fagiolo (Sant’Anna School of Advanced Studies), Thomas Lux (U. Kiel, Kiel Inst. for the World Economy y U. Jaume I), Mattia Montagna (European Central Bank) e Iván Arribas (U. Valencia, ERICES e Ivie) han realizado aportaciones importantes.
Author :
Publisher :
Page : 576 pages
File Size : 18,62 MB
Release : 2009-07
Category : Dissertations, Academic
ISBN :