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3899 items in total found

Journal Articles | 2020

It runs in the family: The role of family and extended social networks in developing early science interest

Devasmita Chakraverty, Sarah N Newcomer, Kelly Puzio, and Robert H Tai

Bulletin of Science, Technology & Society

Research shows that early scientific interest is associated with science degree completion and career selection. However, little is known about the conditions that support early scientific interest. Using a “funds of knowledge” theoretical framework, this study examined the role of parents, family, and extended social networks in fostering early interest in science. Using interview narratives from 116 scientists (physicists and chemists) in the United States, we conducted a qualitative thematic content analysis. Findings suggest that children who become scientists in adulthood often received early, informal opportunities to use and manipulate material objects and discover how the world works. Second, families used a wide variety of scientific terms at home and encouraged children to pursue their interests whether in science or other fields. Third, these future scientists were often networked with extended family members or friends to observe and do science when they were quite young. Collectively, these findings highlight the specific ways in which families fostered early scientific interest and aided in supporting a student-directed learning environment.

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The age of pandemics, 1817-1920: How they shaped India and the world

Books | 2020

The age of pandemics, 1817-1920: How they shaped India and the world

Chinmay Tumbe

Harper Collins

First among equals: T-R-E-A-T leadership for L-E-A-P in a knowledge-based world

Books | 2020

First among equals: T-R-E-A-T leadership for L-E-A-P in a knowledge-based world

Vishal Gupta

Bloomsbury

Journal Articles | 2020

The doctrine of frustration under section 56 of the Indian Contract Act

M P Ram Mohan, Promode Murugavelu, Gaurav Ray, and Kritika Parakh

Indian Law Review

The performance of obligations under a contract may be hindered by unexpected supervening events, leading to contractual uncertainties. The doctrine of frustration paves the way for a just consequence of such an unfortunate event, which has happened without any fault of the contracting parties. The doctrine fills the void in a contract regarding supervening events, based on principles of fairness and equity. Considering the large implications on the obligatory and binding nature of a valid contract, it becomes important to analyse the factors that guide the courts to determine its application. Unlike common law, the Indian Contract law explicitly incorporates the doctrine of frustration under section 56 of the Contract Act. However, the evolution of this doctrine in India has been greatly influenced by English law. This paper attempts to restate the law on the doctrine of frustration as applicable in India.

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Journal Articles | 2020

Alternate solution approaches for competitive hub location problems

Richa Tiwari, Sachin Jayaswal, and Ankur Sinha

European Journal of Operational Research

In this paper, we study the hub location problem of an entrant airline that tries to maximize
its share in a market with already existing competing players. The problem is modelled as a nonlinear
integer program, which is intractable for off-the-shelf commercial solvers, like CPLEX and
Gurobi, etc. Hence, we propose four alternate approaches to solve the problem. The first among
them uses the Kellys cutting plane method, the second is based on a mixed integer second order
conic program reformulation, the third uses the Kellys cutting plane method within Lagrangian
relaxation, while the fourth uses second order conic program within Lagrangian relaxation. The
main contribution of this paper lies in the fourth approach, which along with refinements is the
most efficient. Many of the problem instances that were not solvable using standard techniques,
like the Kellys cutting plane method, have been solved in less than 2 hours of CPU time within
1% optimality gap.

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Journal Articles | 2020

Ripples on financial networks

Sudarshan Kumar, Avijit Bansal, and Anindya S. Chakrabarti

The European Journal of Finance

In the financial markets, asset returns exhibit collective dynamics masking individual impacts on the rest of the market. Hence, it is still an open problem to identify how shocks originating from one particular asset would create spillover effects across other assets. The problem is more acute when there is a large number of simultaneously traded assets, making the identification of which asset affects which other assets even more difficult. In this paper, we construct a network of the conditional volatility series estimated from asset returns and propose a many-dimensional VAR model with unique identification criteria based on the network topology. Because of the interlinkages across stocks, volatility shock to a particular asset propagates through the network creating a ripple effect. Our method allows us to find the exact path the ripple effect follows on the whole network of assets.

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Journal Articles | 2020

Right of recourse claims based on latent defects in the nuclear energy sector in India: Brace yourself for fact-intensive disputes

M P Ram Mohan and Els Reynaers

The University of Pennsylvania Asian Law Review

This working paper is focused on trying to interpret the meaning of "latent defects" and analysing how a case were to unfold if an operator of nuclear installation were to exercise its right of recourse against a supplier in the event of supply of equipment or material with latent defects, as envisaged under the unique Section 17(b) of the Civil Liability for Nuclear Damage Act, 2010 (CLND Act), as adopted by the Indian Parliament. Therefore, this paper presumes and builds on the assumption of some prior knowledge of general nuclear law principles as well as the CLND Act and related debates. We welcome comments on any part of the paper.

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Human resource management

Books | 2020

Human resource management

Gary Dessler and Biju Varkkey

Pearson

The financial landscape of emerging Economies.

Books | 2020

The financial landscape of emerging Economies.

Aswini Kumar Mishra, Vairam Arunachalam, Sanket Mohapatra and Dennis Olson

Springer

HR analytics: Connection data and theory

Books | 2020

HR analytics: Connection data and theory

Rama Shankar Yadav and Sunil Maheshwari

Wiley

IIMA