MoneyScience News |
- Published / Preprint: Statistical Mechanics of Competitive Resource Allocation
- Published / Preprint: Behavioural breaks in the heterogeneous agent model: the impact of herding, overconfidence, and market sentiment
- Published / Preprint: The Effect of Growth On Equality in Models of the Economy
- Published / Preprint: The predictability of consumer visitation patterns
- Published / Preprint: IMDB network revisited: unveiling fractal and modular properties from a typical small-world network
- Published / Preprint: Modeling Temporal Activity Patterns in Dynamic Social Networks
- Blog Post: TheFinancialServicesClub: Sir Ranulph Fiennes caught trying to rob a bank
- Published / Preprint: Statistical Mechanics of Competitive Resource Allocation. (arXiv:1305.2121v1 [physics.soc-ph])
- Published / Preprint: A comparison of techniques for dynamic risk measures with transaction costs. (arXiv:1305.2151v1 [q-fin.RM])
- Blog Post: iMFdirect: The Evolving Role of the Banking Systems in Central, Eastern and Southeastern Europe
| Published / Preprint: Statistical Mechanics of Competitive Resource Allocation Posted: 10 May 2013 04:41 AM PDT Demand outstrips available resources in most situations, which gives rise to competition, interaction and learning. In this article, we review a broad spectrum of multi-agent models of competition and the methods used to understand them analytically. We emphasize the power of concepts and tools from statistical mechanics to understand and explain fully collective phenomena such as phase... Visit MoneyScience for the Complete Article.      |
| Posted: 10 May 2013 04:41 AM PDT The main aim of this work is to incorporate selected findings from behavioural finance into a Heterogeneous Agent Model using the Brock and Hommes (1998) framework. Behavioural patterns are injected into an asset pricing framework through the so-called `Break Point Date', which allows us to examine their direct impact. In particular, we analyse the dynamics of the model around the behavioural... Visit MoneyScience for the Complete Article.    |
| Published / Preprint: The Effect of Growth On Equality in Models of the Economy Posted: 10 May 2013 04:41 AM PDT We investigate the relation between economic growth and equality in a modified version of the agent-based asset exchange model (AEM). The modified model is a driven system that for a range of parameter space is effectively ergodic in the limit of an infinite system. We find that the belief that "a rising tide lifts all boats" does not always apply, but the effect of growth on the wealth... Visit MoneyScience for the Complete Article.    |
| Published / Preprint: The predictability of consumer visitation patterns Posted: 10 May 2013 04:41 AM PDT We consider hundreds of thousands of individual economic transactions to ask: how predictable are consumers in their merchant visitation patterns? Our results suggest that, in the long-run, much of our seemingly elective activity is actually highly predictable. Notwithstanding a wide range of individual preferences, shoppers share regularities in how they visit merchant locations over time. Yet... Visit MoneyScience for the Complete Article.    |
| Posted: 10 May 2013 04:41 AM PDT We study a subset of the movie collaboration network, imdb.com, where only adult movies are included. We show that there are many benefits in using such a network, which can serve as a prototype for studying social interactions. We find that the strength of links, i.e., how many times two actors have collaborated with each other, is an important factor that can significantly influence the network... Visit MoneyScience for the Complete Article.    |
| Published / Preprint: Modeling Temporal Activity Patterns in Dynamic Social Networks Posted: 10 May 2013 04:41 AM PDT The focus of this work is on developing probabilistic models for user activity in social networks by incorporating the social network influence as perceived by the user. For this, we propose a coupled Hidden Markov Model, where each user's activity evolves according to a Markov chain with a hidden state that is influenced by the collective activity of the friends of the user. We develop... Visit MoneyScience for the Complete Article.    |
| Blog Post: TheFinancialServicesClub: Sir Ranulph Fiennes caught trying to rob a bank Posted: 10 May 2013 02:11 AM PDT Like others in the conference hall, I felt a sense of awe as the world’s greatest living explorer, Sir Ranulph ‘Ran’ Fiennes, took to the stage to recount some of the stories about his life and travels, including the day he was in court over trying to rob a bank. read more... Visit MoneyScience for the Complete Article.    |
| Posted: 09 May 2013 05:38 PM PDT Demand outstrips available resources in most situations, which gives rise to competition, interaction and learning. In this article, we review a broad spectrum of multi-agent models of competition and the methods used to understand them analytically. We emphasize the power of concepts and tools from statistical mechanics to understand and explain fully collective phenomena such as phase... Visit MoneyScience for the Complete Article.    |
| Posted: 09 May 2013 05:38 PM PDT This paper contains an overview of results for dynamic risk measures in markets with transaction costs. We provide the main results of four different approaches. We will prove under which assumptions results within these approaches coincide, and how properties like primal and dual representation and time consistency in the different approaches compare to each other. Visit MoneyScience for the Complete Article.    |
| Posted: 09 May 2013 07:18 AM PDT By Reza Moghadamread more... Visit MoneyScience for the Complete Article.    |
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