Lustig, Hanno; Van Nieuwerburgh, Stijn; Kelly, Bryan - National Bureau of Economic Research (NBER) - 2013
We propose a network model of firm volatility in which the customers' growth rate shocks influence the growth rates of their suppliers, larger suppliers have more customers, and the strength of a customer-supplier link depends on the size of the customer firm. Even though all shocks are i.i.d.,...