3 papers
cs.CL2026
Modeling Claim Dependency Structure for Patent Litigation Prediction with Graph Attention Networks
Takao Arai, Hiroyasu Inoue
Patent litigation imposes substantial costs on firms and distorts R&D incentives, making early risk identification a practically important task. While prior work has applied BERT-b…
cs.SI2026
Stock Price Responses to Firm-Level News in Supply Chain Networks
Hiroyasu Inoue, Yasuyuki Todo
This study examines how positive and negative news about firms is associated with stock prices and whether these associations extend to firms' suppliers and clients connected throu…
cs.SI2025
Beyond Firms and Industries: Shock Propagation through Establishment- and Product-Level Supply Chains
Hiroyasu Inoue, Yasuyuki Todo
This paper investigates how the granularity of supply-chain data affects the propagation of economic shocks through production networks. Using newly constructed establishment-level…