It is well established in the literature that customer retention is at least as important as customer acquisition, especially in the freemium-based virtual economy, in which individuals are connected by multi-relational social networks, such as the “friendships” and “guilds” (virtual...

This paper shows that a production network facilitates expectations-driven business cycles. Through input-output linkages, changes in expected demand can cause business-cycle fluctuations and endogenous movements in the Solow residual. When inputs must be purchased one period in advance,...

We propose a methodology for forecasting the systemic impact of financial institutions in interconnected systems. Utilizing a five-year sample including the 2008/9 financial crisis, we demonstrate how the approach can be used for timely systemic risk monitoring of large European banks and...