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Disentangling shock diffusion on complex networks: identification through graph planarity
(Journal of Complex Networks, 2020-06)
Large scale networks delineating collective dynamics often exhibit cascading failures across nodes leading to a system-wide collapse. Prominent examples of such phenomena would include collapse on financial and economic ...
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 ...
Pandemics and technology engagement: new evidence from m-Health intervention during COVID-19 in India
(Wiley, 2022-07-12)
Information provision for social welfare via cheap technological media is now a widely available tool used by policymakers. Often, however, an ample supply of information does not translate into high consumption of information ...
Gravity and depth of social media networks
(Oxford University Press, 2021-05-27)
Structures of social media networks provide a composite view of dyadic connectivity across social actors, which reveals the spread of local and global influences of those actors in the network. Although social media network ...
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. ...
Inequality and income mobility: the case of targeted and universal interventions in India
(Springer, 2024-01-29)
Income interventions with pro-poor targeting is a common fiscal policy around the world.
However their distributional effects on consumption and savings are not well understood.
Motivated by the Mahatma Gandhi National ...