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Strategic Connections in a hierarchical society: wedge between observed and fundamental valuations
(Springer Science + Business Media, 2021-01-01)
In an interconnected society, social networks grow through formation of strategic connections based on the hierarchy within the social network. Often, the hierarchy becomes self-reinforcing and the observed valuations of ...
Movies, stigma and choice: evidence from the pharmaceutical industry
(Wiley, 2023-02-02)
Do movies reduce stigma, increasing healthcare product choices offered by firms? We provide causal evidence on this question in the context of Indian pharmaceutical markets. For unpacking these effects, we use an exogenous ...
Cross-border environmental regulation and firm labor demand
(Elsevier, 2022-11-07)
In 1994, due to environmental concerns, Germany banned a chemical called ‘Azo-dyes’, a primary input for the leather and textiles firms in India (a key exporter). Exploiting this as a quasi-natural experiment, we examine ...
Measuring Complexity in Financial Data
(FRONTIERS MEDIA SA, 2020)
The stock market is a canonical example of a complex system, in which a large number of interacting agents lead to joint evolution of stock returns and the collective market behavior exhibits emergent properties. However, ...
Research and market structure: evidence from an antibiotic-resistant pathogenic outbreak
(Elsevier, 2023-01)
We provide causal evidence that upstream research shocks impact unconnected downstream product markets. Focusing on the Indian pharmaceutical market, we use a natural experiment involving a publication that identified a ...
Sparsistent filtering of comovement networks from high-dimensional data
(Elsevier, 2022-11-09)
Network filtering is a technique to isolate core subnetworks of large and complex interconnected systems, which has recently found many applications in financial, biological, physical and technological networks among others. ...