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The impact of social media on belief formation

Schwarz, Marco - 2017

Social media are becoming increasingly important in our society and change the way people communicate, how they acquire information, and how they form beliefs. Experts are concerned that the rise of social media may make interaction and information exchange among like-minded individuals more...

Persistent link: https://www.econbiz.de/10011762816

Distribution of pure Nash equilibria in n-person games with random best replies

Kultti, Klaus; Salonen, Hannu; Vartiainen, Hannu - 2011

In this paper we study the number of pure strategy Nash equilibria in large finite n-player games. A distinguishing feature of our study is that we allow general - potentially multivalued - best reply correspondences. Given the number K of pure strategies to each player, we assign to each player...

Persistent link: https://www.econbiz.de/10012503025

Search in Networks: The Case of Board Interlocks

Kitti, Mitri; Pihlava, Matti; Salonen, Hannu - 2016

We present a model for the dynamics of networks in which edges represent positions in organizations, holders of which … is capable of explaining how such networks are formed. It is observed that distances from firms to candidates and the …

Persistent link: https://www.econbiz.de/10012503069

Bonacich Measures as Equilibria in Network Models

Salonen, Hannu - 2015

We investigate the cases when the Bonacich measures of strongly connected directed bipartite networks can be … utilitity functions, where the matrices representing the network have dimension m × n. For connected directed bipartite networks … Bonacich measures of such networks can be interpreted as a subgame perfect equilibrium path of an extensive form game with …

Persistent link: https://www.econbiz.de/10012503054

Bonacich Network Measures as Minimum Norm Solutions

Hannu, Salonen - 2016

An undirected connected bimodal network has two Bonacich measures quantifying the centrality of the nodes. We show that the product of Bonacich measures of an undirected bimodal network may be viewed as a product measure that is nearest (w.r.t. Euclidean norm) to the matrix representing the...

Persistent link: https://www.econbiz.de/10012503059

The Finnish corporate network – empirical findings from the board room network

Matti, Pihlava - 2016

This paper studies Finnish firms and especially it's boardroom network and the effects that it has on financial actions. Compared with earlier studies, this study also takes into consideration both firms that are not connected and uses them as a natural comparison, as well as principal component...

Persistent link: https://www.econbiz.de/10012503064

Recursive Clustering Methods for Network Analysis

Kitti, Mitri; Pihlava, Matti; Salonen, Hannu - 2018

We study axiomatically recursive clustering methods for networks. Such methods can be used to identify community …

Persistent link: https://www.econbiz.de/10012503071

The role of interbank relationships and liquidity needs

Craig, Ben R.; Fecht, Falko; Tümer-Alkan, Günseli - 2013

In this paper, we focus on the interconnectedness of banks and the price they pay for liquidity. We assess how the concentration of credit relationships and the position of a bank in the network topology of the system influence the bank’s ability to meet its liquidity demand. We use quarterly...

Persistent link: https://www.econbiz.de/10010238510

Filling in the blanks : network structure and interbank contagion

Anand, Kartik; Craig, Ben R.; Von Peter, Goetz - 2014

realistic interbank networks that preserve important characteristics of the original interbank market. The method loads the most … probable links with the largest exposures consistent with the total lending and borrowing of each bank, leading to networks …

Persistent link: https://www.econbiz.de/10010249740

Existence and uniqueness of solutions to dynamic models with occasionally binding constraints

Holden, Tom D. - 2022

Occasionally binding constraints (OBCs) like the zero lower bound (ZLB) can lead to multiple equilibria, and so to belief-driven recessions. To aid in finding policies that avoid this, we derive existence and uniqueness conditions for otherwise linear models with OBCs. Our main result gives...

Persistent link: https://www.econbiz.de/10013164715

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