Text Algorithms In Economics
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Text Algorithms in Economics
This paper provides an overview of the methods used for algorithmic text analysis in economics, with a focus on three key contributions. First, the paper introduces methods for representing documents as high-dimensional count vectors over vocabulary terms, for representing words as vectors, and for representing word sequences as embedding vectors. Second, the paper defines four core empirical tasks that encompass most text-as-data research in economics, and enumerates the various approaches that have been taken so far for these tasks. Finally, the paper flags limitations in the current literature, with a focus on the challenge of validating algorithmic output.
The Oxford Handbook of Comparative Judicial Behaviour
These are momentous times for the comparative analysis of judicial behaviour. Once the sole province of U.S. scholars—and mostly political scientists at that—now, researchers throughout the world, drawing on history, economics, law, and psychology, are illuminating how and why judges make the choices they do and what effect those choices have on society. Bringing together leading scholars in the field, The Oxford Handbook of Comparative Judicial Behaviour consists of ten sections, each devoted to important subfields: fundamentals—providing overviews designed to identify common trends in courts worldwide; approaches to judging; data, methods, and technologies; staffing the courts; advocacy, litigation, and appellate review; opinions; relations within, between, and among courts; judicial independence; court and society; and frontiers of comparative judicial behaviour—dedicated to expanding on opportunities for advancement. Rather than focusing on particular courts, countries, or regions, the organization of the individual chapters is topical. Each chapter explores an important topic-critically evaluating the state of that topic and identifying opportunities for future work. While the forty-two chapters share a common interest in explaining the causes and effects of judicial choices, the range of approaches to comparative research is wide, inclusive, and interdisciplinary, from contrasts and similarities to sophisticated research agendas reflecting the emerging field of judicial behaviour around the world.
Network Economics
Author: Anna Nagurney
language: en
Publisher: Springer Science & Business Media
Release Date: 2013-03-09
Since the publication of the first edition of Network Economics: A Variational Inequality Approach in 1993, there have been many ad vances in both methodological developments, as well as, applications in this field. These have occurred in an environment of an increasingly networked global economy, in which the importance of transportation networks and communication networks is now well-recognized, with net works such as knowledge networks, environmental networks, and finan cial networks receiving growing attention. This edition adds recent research progress in new and evolving ar eas of network economics through common and unifying principles. In addition, it includes dynamic models of traffic, of spatially separated markets, of oligopolistic markets, and of financial markets. In order to expand the range and reach of this material, we have also included a series of problems in an appendix for self-study purposes and for use in the classroom. We note that computational economics has been at the forefront in stimulating the development of mathematical methodologies for the analysis and solution of complex, large-scale problems. The past fifteen years, in particular, have witnessed a dramatic growth of interest in this area. Supported by the increasing availability of data and by advances in computer architectures, the scale and dimensions of problems that can now be handled are unveiling new horizons in both theoretical modeling and policy analysis.