The novelty of our model is to combine models of collective action on networks with models of social learning. Agents are connected according to an undirected graph, the social network, and have the choice between two actions: either to adopt a new behavior or technology or stay with the default...

The very notion of social network implies that linked individuals interact repeatedly with each other. This allows them not only to learn successful strategies and adapt to them, but also to condition their own behavior on the behavior of others, in a strategic forward looking manner. Game...

We investigate the role of conflicting interests in a boundedly rational model of belief dynamics. Individuals have different preferences about the action to take, are subject to persuasion bias and repeatedly communicate with their neighbors in a social network. They communicate strategically...

In this paper, we address the impact of surging unemployment on online public good provision. Specifically, we ask how drastically increased unemployment affects voluntary contributions of content to the online encyclopedia Wikipedia. We put together a monthly country-level data set, which...

We analyzed the effects of 10,748 weather events on attention to climate change between December 2011 and November 2014 in local areas across the United States. Attention was gauged by quantifying the relative increase in Twitter messages about climate change in the local area around the time of...

In this paper, we address the impact of surging unemployment on online public good provision. Specifically, we ask how drastically increased unemployment affects voluntary contributions of content to the online encyclopedia Wikipedia. We put together a monthly country-level data set, which...

Emotion plays a significant role in both institutional and individual investors' decision making process. However, there is a lack of empirical evidence available that addresses how investors' emotions affect commodity market returns. This study examines the short-term predictive power of...

The widespread adoption of social media has engendered notable changes in who is involved in the production, dissemination, and reformulation of market-relevant information. Building on this idea, this study posits that different types of accounting information networks feature different types...

Social media can help investors gather and share information about stock markets. However, it also presents opportunities for fraudsters to spread false or misleading statements in the marketplace. Analyzing millions of messages sent on the social media platform Twitter about small...