We consider the effects of migration on intraguild predation (IGP) via lattice models and pair approximation. The following results can be found: there exists asymmetry between two consumers’ migration effects on the spatial structure of IGP; migration of each consumer reduces its own clumping...

Modern information technologies have fundamentally changed how information is disseminated in financial markets. Using the staggered implementation of the EDGAR system in 1993-1996 as a shock to information dissemination technologies, we find evidence that internet dissemination of corporate...

This paper examines the hypothesis that hedge fund managers gain an informational advantage in securities trading through their connections with lobbyists. Using datasets on the long-equity holdings and lobbyist connections of hedge funds from 1999 through 2012, we show that hedge funds...