We propose the dynamic network effect (DNE) model for the study of high-dimensional multivariate time series data … of latent stochastic network effects. The parameter-driven, nonlinear state-space model requires simulation …-section dimension is large and the network is dense. An empirical application on the spread of the COVID-19 pandemic through …

1970's the world of economics was a collection of islands. Two decades later, in the 1990's the world of economics was much … individuals on the largest island had fallen significantly. Thus we believe that economics is an emerging small world ….An exploration of the micro aspects of the network yields three findings: one, the average number of co-authors is very small but …

economics. A proper design and implementation of standards may lead to a considerable reduction of transaction costs, which … shows that network externalities play a major role in the use of standards, and that, on the other hand, worldwide standards …

In this paper we investigate whether markets with heterogeneous network externalities can belocked-in by old …