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Building Up Social Capital in a Changing World: A Network Approach

Vega-Redondo, Fernando - Fondazione ENI Enrico Mattei (FEEM) - 2003

This paper models the dynamic process through which a large society may succeed in building up its “social capital” by establishing a stable and dense pattern of interaction among its members. In the model, agents interact according to a collection of infinitely repeated Prisoner’s...

Persistent link: https://www.econbiz.de/10005423105

Optimal Information Transmission in Organizations: Search and Congestion

Cabrales, Antonio; Arenas, Àlex; Díaz-Guilera, Albert; … - Fondazione ENI Enrico Mattei (FEEM) - 2004

optimal. Keywords: Networks, information transmission, search, organization design. …

Persistent link: https://www.econbiz.de/10004990060

Trust as a Key Variable of Sustainable Development and Public Happiness: A Historical and Theoretical Example Regarding the Creation of Money

Genovese, Nicola; Spada, Maria Grazia La - Fondazione ENI Enrico Mattei (FEEM) - 2014

This article purports to trace the origin of money on the basis of factors in interpersonal relationships, affecting a … process toward the creation of money started, without any intrinsic value and the presence of any superior authority. In the … paper it is also hypothesized that the creation of money is one of the basic factors in the progress of economic and social …

Persistent link: https://www.econbiz.de/10010747056

Endogenous Business Cycles and the Economic Response to Exogenous Shocks

Hallegatte, Stéphane; Ghil, Michael - Fondazione ENI Enrico Mattei (FEEM) - 2007

In this paper, we investigate the macroeconomic response to exogenous shocks, namely natural disasters and stochastic productivity shocks. To do so, we make use of an endogenous business cycle model in which cyclical behavior arises from the investment–profit instability; the amplitude of this...

Persistent link: https://www.econbiz.de/10004990067

Naïve Learning in Social Networks: Convergence, Influence and Wisdom of Crowds

Jackson, Matthew O.; Golub, Benjamin - Fondazione ENI Enrico Mattei (FEEM) - 2007

We study learning and influence in a setting where agents communicate according to an arbitrary social network and naïvely update their beliefs by repeatedly taking weighted averages of their neighbors’ opinions. A focus is on conditions under which beliefs of all agents in large societies...

Persistent link: https://www.econbiz.de/10005423267

Biodiversity Conservation on Private Lands: Information Problems and Regulatory Choices

Lin, Tun; Goeschl, Timo - Fondazione ENI Enrico Mattei (FEEM) - 2004

This survey paper examines various information insufficiencies in biodiversity conservation and their impact of regulatory choices. We surveyed the literature in the field and identified four major types of informational insufficiencies in making efficient biodiversity conservation decisions: 1)...

Persistent link: https://www.econbiz.de/10005385328

Coordination in Networks Formation: Experimental Evidence on Learning and Salience

Galizzi, Matteo; Bernasconi, Michele - Fondazione ENI Enrico Mattei (FEEM) - 2005

We present experiments on repeated non-cooperative network formation games, based on Bala and Goyal (2000). We treat the one-way and the two-ways flow models, each for high and low link costs. The models show both multiple equilibria and coordination problems. We conduct experiments under...

Persistent link: https://www.econbiz.de/10005385417

Individual Search and Social Networks

Goyal, Sanjeev; Rosenkranz, Stephanie; Weitzel, Utz; … - Fondazione ENI Enrico Mattei (FEEM) - 2014

. These lower costs affect the attractiveness of individual search vis-a-vis a reliance on social networks. The paper reports …

Persistent link: https://www.econbiz.de/10010781878

Opinion Dynamics and Wisdom under Conformity

Buechel, Berno; Hellmann, Tim; Kölßner, Stefan - Fondazione ENI Enrico Mattei (FEEM) - 2014

We study a dynamic model of opinion formation in social networks. In our model, boundedly rational agents update opinions by averaging over their neighbors' expressed opinions, but may misrepresent their own opinion by conforming or counter-conforming with their neighbors. We show that an...

Persistent link: https://www.econbiz.de/10010781882

Trust and Manipulation in Social Networks

Förster, Manuel; Mauleon, Ana; Vannetelbosch, Vincent J. - Fondazione ENI Enrico Mattei (FEEM) - 2014

We investigate the role of manipulation in a model of opinion formation. Agents repeatedly communicate with their neighbors in the social network, can exert effort to manipulate the trust of others, and update their opinions about some common issue by taking weighted averages of neighbors'...

Persistent link: https://www.econbiz.de/10010781888