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HOW CAN SOCIAL HERDING ENHANCE COOPERATION?

SCHWEITZER, FRANK; MAVRODIEV, PAVLIN; TESSONE, CLAUDIO J. - In: Advances in Complex Systems (ACS) 16 (2013) 04, pp. 1350017-1

We study a system in which N agents have to decide between two strategies θi(i ∈ 1 … N), for defection or cooperation, when interacting with other n agents (either spatial neighbors or randomly chosen ones). After each round, they update their strategy responding nonlinearly to two...

Persistent link: https://www.econbiz.de/10011010846

AN AGENT-BASED MODEL OF TAX COMPLIANCE: AN APPLICATION TO THE SPANISH CASE

LLACER, TONI; MIGUEL, FRANCISCO J.; NOGUERA, JOSÉ A.; … - In: Advances in Complex Systems (ACS) 16 (2013) 04, pp. 1350007-1

In this paper, we present a new agent-based model for the simulation of tax compliance and tax evasion behavior (SIMULFIS). The main novelties of the model are the introduction of a "behavioral filter approach" to model tax decisions, the combination of a set of different mechanisms to produce...

Persistent link: https://www.econbiz.de/10011010874

A CONNECTIONIST ABM OF SOCIAL CATEGORIZATION PROCESSES

ROOY, DIRK VAN - In: Advances in Complex Systems (ACS) 15 (2012) 06, pp. 1250077-1

This paper introduces a connectionist Agent-Based Model (cABM) that incorporates detailed, micro-level understanding of social influence processes derived from laboratory studies and that aims to contextualize these processes in such a way that it becomes possible to model multidirectional,...

Persistent link: https://www.econbiz.de/10011010878

THE EFFECT OF SOCIAL INFLUENCE ON MARKET INEQUALITIES IN THE MOTION PICTURE INDUSTRY

DELRE, SEBASTIANO A.; BROEKHUIZEN, THIJS L. J.; JAGER, … - In: Advances in Complex Systems (ACS) 11 (2008) 02, pp. 273-287

In this paper we investigate the degree to which two social influences, namely imitation and coordinated consumption, effectuate inequalities in the motion picture industry. We develop an agent-based model based on micro movie visitors' decision-making that generates the observed macro market...

Persistent link: https://www.econbiz.de/10005047389

OPINIONS MANIPULATION: MEDIA, POWER AND GOSSIP

QUATTROCIOCCHI, WALTER; CONTE, ROSARIA; LODI, ELENA - In: Advances in Complex Systems (ACS) 14 (2011) 04, pp. 567-586

Despite the increasing diffusion of the Internet technology, TV remains the principal medium of communication. People's perceptions, knowledge, beliefs and opinions about matters of fact get (in)formed through the information reported on by the media.However, a single source of information (and...

Persistent link: https://www.econbiz.de/10009188928

A PÓLYA LATTICE MODEL TO STUDY LEVERAGE DYNAMICS AND CONTAGIOUS FINANCIAL FRAGILITY

CIRILLO, PASQUALE; GALLEGATI, MAURO; HÜSLER, JÜRG - In: Advances in Complex Systems (ACS) 15 (2012) su, pp. 1250069-1

their compositions, and of a random variable representing systemic risk or fate. The simple idea is to build the dependence …

Persistent link: https://www.econbiz.de/10011010873

HETEROGENEITY, CORRELATIONS AND FINANCIAL CONTAGION

CACCIOLI, FABIO; CATANACH, THOMAS A.; FARMER, J. DOYNE - In: Advances in Complex Systems (ACS) 15 (2012) su, pp. 1250058-1

We consider a model of contagion in financial networks recently introduced in Gai, P. and Kapadia, S. [Contagion in …, heterogeneous balance sheet size and degree correlations between banks. We study the probability of contagion conditional on the … heterogeneous degree distributions are shown to be more resilient to contagion triggered by the failure of a random bank, but more …

Persistent link: https://www.econbiz.de/10010570063

A UNIFIED COMMUNITY DETECTION, VISUALIZATION AND ANALYSIS METHOD

CRAMPES, MICHEL; PLANTIÉ, MICHEL - In: Advances in Complex Systems (ACS) 17 (2014) 01, pp. 1450001-1

With the widespread social networks on the Internet, community detection in social graphs has recently become an important research domain. Interest was initially limited to unipartite graph inputs and partitioned community outputs. More recently, bipartite graphs, directed graphs and...

Persistent link: https://www.econbiz.de/10010882965

COOPERATION, CONFLICT AND HIGHER-ORDER STRUCTURES OF SOCIAL NETWORKS

MALETIĆ, SLOBODAN; HORAK, DANIJELA; RAJKOVIĆ, MILAN - In: Advances in Complex Systems (ACS) 15 (2012) su, pp. 1250055-1

Simplicial complexes represent powerful models of complex networks and complex systems in general. We explore the properties of spectra of combinatorial Laplacian operator of simplicial complexes in the context of connectivity of cliques in the simplicial clique complex associated with social...

Persistent link: https://www.econbiz.de/10011010844

TREND PREDICTION IN TEMPORAL BIPARTITE NETWORKS: THE CASE OF MOVIELENS, NETFLIX, AND DIGG

ZENG, AN; GUALDI, STANISLAO; MEDO, MATÚŠ; ZHANG, YI-CHENG - In: Advances in Complex Systems (ACS) 16 (2013) 04, pp. 1350024-1

Online systems, where users purchase or collect items of some kind, can be effectively represented by temporal bipartite networks where both nodes and links are added with time. We use this representation to predict which items might become popular in the near future. Various prediction methods...

Persistent link: https://www.econbiz.de/10011010870