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BPI SIGNED

Bayesian Peer Influence: Group Beliefs, Polarisation and Segregation

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

BPI project word cloud

Explore the words cloud of the BPI project. It provides you a very rough idea of what is the project "BPI" about.

influenced market communication educate introduce foundations full time theoretical economic diffusion framework agenda explore theory outcomes members interventions interactions empirical characterise gap behavior central education analyze models implications relation rational belief segregation polarization groups policy tools beliefs investigation bayesian dynamics influence labour bpi literature public people understand discrimination tractable social heuristic cognitive individuals model intend captures inter learning natural political incorporating biases evolution phenomena plan group peer networks fills

Project "BPI" data sheet

The following table provides information about the project.

Coordinator	LONDON SCHOOL OF ECONOMICS AND POLITICAL SCIENCE Organization address address: Houghton Street 1 city: LONDON postcode: WC2A 2AE website: www.lse.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	United Kingdom [UK]
Total cost	1˙662˙942 €
EC max contribution	1˙662˙942 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-CoG
Funding Scheme	ERC-COG
Starting year	2016
Duration (year-month-day)	from 2016-08-01 to 2021-07-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	LONDON SCHOOL OF ECONOMICS AND POLITICAL SCIENCE LONDON SCHOOL OF ECONOMICS AND POLITICAL SCIENCE Organization address address: Houghton Street 1 city: LONDON postcode: WC2A 2AE website: www.lse.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (LONDON)	coordinator	1˙662˙942.00

Map

Project objective

'The objective of this research agenda is to provide a new framework to model and analyze dynamics of group beliefs, in order to study phenomena such as group polarization, segregation and inter-group discrimination. We introduce a simple new heuristic, the Bayesian Peer Influence heuristic (BPI), which is based on rational foundations and captures how individuals are influenced by others' beliefs. We will explore the theoretical properties of this heuristic, and apply the model to analyze the implications of belief dynamics on social interactions. Understanding the formation and evolution of beliefs in groups is an important aspect of many economic applications, such as labour market discrimination. The beliefs that different groups of people have about members of other groups should be central to any theory or empirical investigation of this topic. At the same time, economic models of segregation and discrimination typically do not focus on the evolution and dynamics of group beliefs that allow for such phenomena. There is therefore a need for new tools of analysis for incorporating the dynamics of group beliefs; this is particularly important in order to understand the full implications of policy interventions which often intend to 'educate the public'. The BPI fills this gap in the literature by offering a tractable and natural heuristic for group communication. Our aim is to study the theoretical properties of the BPI, as well as its applications to the dynamics of group behavior. Our plan is to: (i) Analyze rational learning from others’ beliefs and characterise the BPI. (ii) Use the BPI to account for cognitive biases in information processing. (iii) Use the BPI to analyze the diffusion of beliefs in social networks. (iv) Apply the BPI to understand the relation between belief polarization, segregation in education and labour market discrimination. (v) Apply the BPI to understand the relation between belief polarization and political outcomes.'

Publications

List of publications.
year	authors and title	journal	last update
2017	Gilat Levy and Ronny Razin The Coevolution of Segregation, Polarised Beliefs andDiscrimination: The Case of Private vs. State Education published pages: , ISSN: 1945-7669, DOI:	American Economic Journal: Microeconomics	2019-05-22
2018	Gilat Levy and Ronny Razin Information diffusion in networks with the Bayesian Peer Influence heuristic published pages: , ISSN: 0899-8256, DOI:	Games and Economic Behaviour	2019-05-22

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