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Total No of Publication : 6761

Regression models for group testing: Identifiability and asymptotics

  • Authors: Chatterjee A., Bandyopadhyay T.
    Year: 2020 | IIM Ahmedabad
    Source: Journal of Statistical Planning and Inference
    DOI: 10.1016/j.jspi.2019.05.003

Group testing has been widely used in epidemiology and related fields to estimate prevalence of rare diseases. Parametric binary regression models are used in group testing to estimate the covariate adjusted prevalence. Unlike the standard binary regression model (viz., logistic, complementary log–l...(Read Full Abstract)

Women’s re-entry into workforce: Experiences from India

  • Authors: Kaushiva P., Joshi C.
    Year: 2020 | IIM Calcutta
    Source: Contributions to Management Science
    DOI: 10.1007/978-3-030-12477-9_10

Working lives face several interruptions, either due to employers’ decisions, new regulations or individuals’ choices, resulting in breaks, slumps, stagnations or even exits. Several types of job seekers thus arise due to such interruptions, of which one category comprises individuals seeking to re-...(Read Full Abstract)

A Bayesian two-stage regression approach of analysing longitudinal outcomes with endogeneity and incompleteness

  • Authors: Bhuyan P., Biswas J., Ghosh P., Das K.
    Year: 2019 | IIM Bangalore
    Source: Statistical Modelling
    DOI: 10.1177/1471082X17747806

Two-stage regression methods are typically used for handling endogeneity in the simultaneous equations models in economics and other social sciences. However, the problem is challenging in the presence of incomplete response and/or incomplete endogenous covariate(s). We propose a Bayesian approach f...(Read Full Abstract)

A conceptual framework of internet of things for efficient municipal solid waste management and waste to energy implementation

  • Authors: Bhanot N., Sharma V.K., Parihar A.S., Sharma M., Yadav M., Gupta H.
    Year: 2019 | IIM Amritsar
    Source: International Journal of Environment and Waste Management
    DOI: 10.1504/IJEWM.2019.099997

With a population of 1.252 billion, India holds the second position in the world and is one of the fastest developing countries as well. However, like every good thing has to pay a certain cost, the country is now facing an alarming threat of health and environmental problems due to its poor waste m...(Read Full Abstract)

A cutting plane approach for the multi-machine precedence-constrained scheduling problem

  • Authors: Venkateshan P., Szmerekovsky J., Vairaktarakis G.
    Year: 2019 | IIM Ahmedabad
    Source: Annals of Operations Research
    DOI: 10.1007/s10479-019-03212-3

A cutting-plane approach is developed for the problem of optimally scheduling jobs with arbitrary precedence constraints on unrelated parallel machines to minimize weighted completion time. While the single machine version of this problem has attracted much research efforts, enabling solving problem...(Read Full Abstract)

A dual-pathway model of knowledge exchange: linking human and psychosocial capital with prosocial knowledge effectiveness

  • Authors: Singh S.K., Mittal S., Sengupta A., Pradhan R.K.
    Year: 2019 | IIM Sambalpur
    Source: Journal of Knowledge Management
    DOI: 10.1108/JKM-08-2018-0504

Purpose: This study aims to examine a dual-pathway model that recognizes two distinct (formal and informal) but complementary mechanisms of knowledge exchanges – knowledge sharing and knowledge helping. It also investigates how team members use their limited human and psychosocial capital for prosoc...(Read Full Abstract)

A game theoretic approach to optimize multi-stakeholder utilities for land acquisition negotiations with informality

  • Authors: Jana A., Basu R., Mukherjee C.
    Year: 2019 | IIM Calcutta
    Source: Socio-Economic Planning Sciences
    DOI: 10.1016/j.seps.2019.06.002

To combat the critical stresses of rising urbanization, the government acquires land from private owners using the power of eminent domain. This land assembly causes negative externalities such as increasing social tension and injustice that may impose a long-term threat to stability and sustainable...(Read Full Abstract)

A goal programming embedded genetic algorithm for multi-objective manufacturing cell design

  • Authors: Chaudhuri B., Jana R.K., Sharma D.K., Dan P.K.
    Year: 2019 | IIM Raipur
    Source: International Journal of Applied Decision Sciences
    DOI: 10.1504/IJADS.2019.096562

In this paper, a multi-objective manufacturing cell design problem is studied. A goal programming (GP) embedded real-coded genetic algorithm (GA) is designed for solving this problem. Initially, the GA is used to obtain the individual minimum of each objective. Thereafter, utilising the concepts of ...(Read Full Abstract)

A history matching approach for calibrating hydrological models

  • Authors: Bhattacharjee N.V., Ranjan P., Mandal A., Tollner E.W.
    Year: 2019 | IIM Indore
    Source: Environmental and Ecological Statistics
    DOI: 10.1007/s10651-019-00420-9

Calibration of hydrological time-series models is a challenging task since these models give a wide spectrum of output series and calibration procedures require significant amount of time. From a statistical standpoint, this model parameter estimation problem simplifies to finding an inverse solutio...(Read Full Abstract)

A Hybrid SEM-Neural Network Model for Predicting Determinants of Mobile Payment Services

  • Authors: Sharma S.K., Sharma H., Dwivedi Y.K.
    Year: 2019 | IIM Trichy
    Source: Information Systems Management
    DOI: 10.1080/10580530.2019.1620504

This study develops a new research model to understand and predict the key determinants influencing the adoption of mobile payment services in a Middle Eastern country, Oman. The research model was tested using a hybrid structural equation modeling (SEM) and neural network (NN) modeling. The finding...(Read Full Abstract)

A Large-Scale Constrained Joint Modeling Approach for Predicting User Activity, Engagement, and Churn With Application to Freemium Mobile Games

  • Authors: Banerjee T., Mukherjee G., Dutta S., Ghosh P.
    Year: 2019 | IIM Bangalore
    Source: Journal of the American Statistical Association
    DOI: 10.1080/01621459.2019.1611584

We develop a constrained extremely zero inflated joint (CEZIJ) modeling framework for simultaneously analyzing player activity, engagement, and dropouts (churns) in app-based mobile freemium games. Our proposed framework addresses the complex interdependencies between a player’s decision to use a fr...(Read Full Abstract)

A Mediation Effect of Job Satisfaction and Affective Commitment in Relationship Between Passion and Work Intentions after Retirement

The aim of this study is to identify an intention towards work after retirement. This article examines the multilevel sequential mediating role of job satisfaction and affective commitment in the relationship between passion for work and intention towards work. This study has used 310 respondents re...(Read Full Abstract)

A network view of entrepreneurial cognition in corporate entrepreneurship contexts: A socially situated approach

  • Authors: Thomas N., Randolph A., Marin A.
    Year: 2019 | IIM Indore
    Source: Management Decision
    DOI: 10.1108/MD-11-2017-1195

Purpose: Research in entrepreneurial cognition has called for a better understanding of interactions between contextual variables and cognitive processes. Based on previous work done on organizational learning and social networks, the purpose of this paper is to propose a formal model in which infor...(Read Full Abstract)

A new class of discrete-time stochastic volatility model with correlated errors

Returns of risky assets and their time-dependent volatility are often jointly modelled by stochastic volatility models (SVMs). Over the last few decades, several SVMs have been proposed to adequately capture the features of the relationship between the return and its volatility. The earliest SVM con...(Read Full Abstract)

A new extended formulation with valid inequalities for the Capacitated Concentrator Location Problem

  • Authors: Di Francesco M., Gaudioso M., Gorgone E., Murthy I.
    Year: 2019 | IIM Bangalore
    Source: European Journal of Operational Research
    DOI: 10.1016/j.ejor.2019.07.008

We present a new disaggregated formulation of the Capacitated Concentrator Location Problem (CCLP) using the notion of cardinality of terminals assigned to a concentrator. This formulation consists of O(mnn) variables and constraints, where m denotes the number of concentrators and n the number of t...(Read Full Abstract)

A new order of financing investments: Evidence from acquisitions by India's listed firms

We propose a new order of financing investments based on the considerations of control and financial constraints in a market with the presence of business groups. We base our analysis on a sample of acquisitions, one of the largest forms of investments, made by India's publicly listed firms from 199...(Read Full Abstract)

A Novel Learning Heuristic Applied for Computationally Hard Managerial Decision Making and Transportation Operations Control

  • Authors: Narayanaswami S.
    Year: 2019 | IIM Ahmedabad
    Source: 2018 International Conference on Production and Operations Management Society, POMS 2018
    DOI: 10.1109/POMS.2018.8629467

Planning and scheduling transportation operations is considered computationally hard and time demanding. We consider a complex network of interconnected links across a set of locations and a set of vehicle movements on these links to fulfil some traffic demands. In such a set-up, basically two types...(Read Full Abstract)

A pay-what-you-want pricing model for restaurants

  • Authors: Chawan V.
    Year: 2019 | IIM Indore
    Source: International Journal of Services and Operations Management
    DOI: 10.1504/IJSOM.2019.099476

A new method of pricing, known as pay-what-you-want (PWYW) has been successfully used in many contexts in the recent past. Success stories are in restaurants, museums, music albums, software, etc. The method where the buyer selects the price, possibly a zero price, and the seller accepts it, is a bi...(Read Full Abstract)

A SAP-LAP linkages framework for integrating Industry 4.0 and circular economy

  • Authors: Chauhan C., Sharma A., Singh A.
    Year: 2019 | IIM Rohtak
    Source: Benchmarking
    DOI: 10.1108/BIJ-10-2018-0310

Purpose: In the recent years, the two increasingly popular topics, namely, Industry 4.0 and circular economy (CE) have attracted the attention of many academicians and practitioners. However, the connection between CE and Industry 4.0 has not been much investigated in the literature. Motivated by th...(Read Full Abstract)

A Study of Data Threats and the Role of Cryptography Algorithms

  • Authors: Thapar S.S., Sarangal H.
    Year: 2019 | IIM Amritsar
    Source: 2018 IEEE 9th Annual Information Technology, Electronics and Mobile Communication Conference, IEMCON 2018
    DOI: 10.1109/IEMCON.2018.8614943

The digital world is engulfed by the imminent threat from digital perpetrators. Cryptography and authentication is necessary for digital communication to make sure that connecting parties are the authorized ones to have access to the exclusive data or information. It can be enforced by using cryptog...(Read Full Abstract)