We examine the international propagation of the financial crisis of 2008, and compare it with that of the crisis of 1931. We argue that the collateral squeeze in the United States, which became intense after the failure of Lehman Brothers created doubts about the stability of other financial...

We introduce a dynamic network model with probabilistic link functions that depend on stochastically time-varying parameters. We adopt the widely used blockmodel framework and allow the highdimensional vector of link probabilities to be a function of a low-dimensional set of dynamic factors. The...