We examine the economies of density associated with the expansion of Amazon's distribution network from 2006 to 2018 … infer the cost savings from being closer to customers that render the observed network roll-out optimal. We find that Amazon … its distribution network expansion, this estimate implies that Amazon has reduced its total shipping cost by over 50% and …

We examine the economies of density associated with the expansion of Amazon's distribution network from 2006 to 2018 … infer the cost savings from being closer to customers that render the observed network roll-out optimal. We find that Amazon … its distribution network expansion, this estimate implies that Amazon has reduced its total shipping cost by over 50% and …

, applying a simulation technique to actual data on supply chains of Japanese firms. We obtained the five results. (1) Network … of the actual supply-chain network, i.e., the power-law degree distribution, leads to faster propagation, while dense … links between firms within the community in the actual network slow propagation. (2) More intensive damages, i.e., larger …

network of alliances have a lower sensitivity of investment to stock price. Several alternative channels related to firm size …

. Network effects are essential to explaining the joint evolution of the empirical firm size and firm volatility distributions …. We propose and estimate a simple network model of firm volatility in which shocks to customers influence their suppliers …