41 citations · 57 across the 6 of their papers we have counts for
3 papers · 1 filter
Structure of global buyer-supplier networks and its implications for conflict minerals regulations
Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
We investigate the structure of global inter-firm linkages using a dataset that contains information on business partners for about 400,000 firms worldwide, including all the firms…
Bubble burst as jamming phase transition
Katsuhiro Nishinari, Mitsuru Iwamura, Yukiko Umeno Saito +1
Recently research on bubble and its burst attract much interest of researchers in various field such as economics and physics. Economists have been regarding bubble as a disorder i…
A statistical analysis of product prices in online markets
Takayuki Mizuno, Tsutomu Watanabe
We empirically investigate fluctuations in product prices in online markets by using a tick-by-tick price data collected from a Japanese price comparison site, and find some simila…