financial institutions. Focusing on a multi sector economy linked through a supply network, we show how structural properties of … the supply network determine both whether aggregate volatility disappears as the number of sectors increases (i … aggregate output from its mean) to sector-specific volatility and to the structural properties of the supply network …

The majority of industrial organizations literature on network externalities looks at firm behavior under given market … characteristics. The present paper instead asks the question whether the presence of network externalities can change market … network operators and thereby gain a dominant position when network externalities are significant. The paper comes to the …