Research @ IIMA (Scopus)

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A new solution approach for multi-stage semi-open queuing networks: an application in shuttle-based compact storage systems

  • Authors: Kumawat G.L., Roy D.
    Year: 2021
    Source: Computers and Operations Research
    DOI: 10.1016/j.cor.2020.105086

    Multi-stage semi-open queuing networks (SOQNs) are widely used to analyze the performance of multi-stage manufacturing systems and automated warehousing systems. While there are several methods available for solving single-stage SOQNs, solution methods for multi-stage SOQNs are limited. Decompositio...(Read Full Abstract)

Celebrity endorsements in destination marketing: a three country investigation

  • Authors: Roy S., Dryl W., de Araujo Gil L.
    Year: 2021
    Source: Tourism Management
    DOI: 10.1016/j.tourman.2020.104213

    The present study extends research on the role of celebrity endorsements in destination marketing by exploring various facets of the effect of celebrity endorsements in destination marketing on the consumer. More specifically, theories of source credibility, congruence, social identity and consumer ...(Read Full Abstract)

Religious influences in unrestrained consumer behaviour

  • Authors: Singh J., Singh G., Kumar S., Mathur A.N.
    Year: 2021
    Source: Journal of Retailing and Consumer Services
    DOI: 10.1016/j.jretconser.2020.102262

    Religion is known for transforming human behaviour in many ways. This research investigates the influence of religiosity on two unrestrained buying constructs; impulsive and compulsive buying. The focus of this paper is on both intrinsic and extrinsic dimensions of religiosity. The first study provi...(Read Full Abstract)

Unpacking the effects of adverse regulatory events: evidence from pharmaceutical relabeling

  • Authors: Higgins M.J., Yan X., Chatterjee C.
    Year: 2021
    Source: Research Policy
    DOI: 10.1016/j.respol.2020.104126

    We provide causal evidence that regulation induced product shocks significantly impact aggregate demand and firm performance in pharmaceutical markets. Event study results suggest an average loss between $569 million and $882 million. Affected products lose, on average, $186 million over their remai...(Read Full Abstract)

A mathematical model for predicting length of postoperative intensive care requirement following cardiac surgery in an Indian hospital

  • Authors: Dutta G., Naik A., Gosai D., Ghosh P.
    Year: 2020
    Source: OPSEARCH
    DOI: 10.1007/s12597-020-00480-7

    Intensive care unit (ICU) is a critical resource in a hospital, especially in developing countries such as India. The length of ICU stay after a cardiac surgery is an important variable for effective use of this critical resource. In this context, a predictive model can help a hospital to make optim...(Read Full Abstract)

A new model for the asymmetric vehicle routing problem with simultaneous pickup and deliveries

  • Authors: Agarwal Y.K., Venkateshan P.
    Year: 2020
    Source: Operations Research Letters
    DOI: 10.1016/j.orl.2019.11.005

    The asymmetric vehicle routing problem with simultaneous pickup and deliveries is considered. This paper develops four new classes of valid inequalities for the problem. We generalize the idea of a no-good cut. Together, these help us solve 45-node randomly generated problem instances more efficient...(Read Full Abstract)

A note on Economic production quantity in batch manufacturing with imperfect quality, imperfect inspection, and destructive and non-destructive acceptance sampling in a two-tier market

  • Authors: Guha A., Bose D.
    Year: 2020
    Source: Computers and Industrial Engineering
    DOI: 10.1016/j.cie.2020.106609

    The purpose of this note is to serve as a revision to the article by Al-Salamah (2016). We offer two modifications to the above paper. First, we demonstrate that the inventory computations by Al-Salamah (2016) are not entirely consistent with the process mentioned, as they do not account for the def...(Read Full Abstract)

A study on understanding the factors of non-compliance in motorized two-wheeler helmet use in India: a review of literature

  • Authors: Das R.
    Year: 2020
    Source: Lecture Notes in Civil Engineering
    DOI: 10.1007/978-981-15-3742-4_39

    Injuries related to road traffic are the major causes of death among people in the age bracket of 15–29 years (World Health Organization 2015). In many developing countries, motorized two-wheelers are the dominant means of transport and contribute to a more significant proportion of road fataliti...(Read Full Abstract)

A time-use perspective of out-of-home activity participation by older people in Hong Kong

  • Authors: He S.Y., Chakrabarti S., Cheung Y.H.Y.
    Year: 2020
    Source: Asian Geographer
    DOI: 10.1080/10225706.2020.1808488

    Promoting active ageing has emerged as a key objective of urban planning and policymaking globally. Our study aims to provide new insights from a time-use perspective. In this paper, we use Hong Kong as a case study to investigate how people aged 60 and older allocate their time in various out-of-ho...(Read Full Abstract)

AGV or Lift-AGV? Performance trade-offs and design insights for container terminals with robotized transport vehicle technology

  • Authors: Kumawat G.L., Roy D.
    Year: 2020
    Source: IISE Transactions
    DOI: 10.1080/24725854.2020.1785648

    New container terminals are embracing robotized transport vehicles such as lift-automated guided vehicles (LAGVs) and automated guided vehicles (AGVs) to enhance the terminal throughput capacity. Although LAGVs have a high container handling time, they require less coordination with other terminal e...(Read Full Abstract)

An exploration of public risk perception and governmental engagement of nuclear energy in India

  • Authors: Ram Mohan M.P., Namboodhiry S.K.
    Year: 2020
    Source: Journal of Public Affairs
    DOI: 10.1002/pa.2086

    Public acceptance constitutes an important factor in successfully establishing and operating nuclear power plants. This paper explores public attitudes to the Kudankulam Nuclear Power Project commissioned in 2013 and situated in Southern India, through assessing the role of socio-demographic factors...(Read Full Abstract)

Analysis of a dyadic sustainable supply chain under asymmetric information

  • Authors: Raj A., Modak N.M., Kelle P., Singh B.
    Year: 2020
    Source: European Journal of Operational Research
    DOI: 10.1016/j.ejor.2020.07.042

    We model a sustainable supply chain with simultaneous consideration of greening and Corporate Social Responsibility by supplier and buyer and analyze it for four different decision alternatives. In the first two cases, a single supply chain agent looks after both greening and social responsibility, ...(Read Full Abstract)

Batch service systems with heterogeneous servers

  • Authors: Van Ommeren J.-K., Baer N., Mishra N., Roy D.
    Year: 2020
    Source: Queueing Systems
    DOI: 10.1007/s11134-020-09654-y

    Bulk-service multi-server queues with heterogeneous server capacity and thresholds are commonly seen in several situations such as passenger transport or package delivery services. In this paper, we develop a novel decomposition-based solution approach for such queues using arguments from renewal th...(Read Full Abstract)

Bridging the gap between probabilistic and fuzzy entropy

  • Authors: Aggarwal M.
    Year: 2020
    Source: IEEE Transactions on Fuzzy Systems
    DOI: 10.1109/TFUZZ.2019.2931232

    The real-world decision making often involves a comparison of uncertain systems or alternatives based on fuzzy evaluations. The concept of fuzzy entropy is quite useful in such situations. However, fuzzy entropy and the conventional probabilistic entropy differ in their semantics. This article criti...(Read Full Abstract)

Capacitated multi-period maximal covering location problem with server uncertainty

  • Authors: Vatsa A.K., Jayaswal S.
    Year: 2020
    Source: European Journal of Operational Research
    DOI: 10.1016/j.ejor.2020.07.061

    We study the problem of assigning doctors to existing, non-operational Primary Health Centers (PHCs). We do this in the presence of clear guidelines on the maximum population that can be served by any PHC, and uncertainties in the availability of the doctors over the planning horizon. We model the p...(Read Full Abstract)

Challenging the discourse of leadership as knowledge: knowing and not knowing

  • Authors: Doshi V., Turner P.K., Vohra N.
    Year: 2020
    Source: Management Communication Quarterly
    DOI: 10.1177/0893318920950462

    Leadership and knowledge are often paired together. Yet, certain forces that operate on businesses and individuals are often unknowable. In this study, we consider leaders’ perceptions of the consequences of not knowing and how leaders discursively cope with a sense of not knowing. Based on interv...(Read Full Abstract)

Clustering and classification of time series using topological data analysis with applications to finance

  • Authors: Majumdar S., Laha A.K.
    Year: 2020
    Source: Expert Systems with Applications
    DOI: 10.1016/j.eswa.2020.113868

    In this paper, we propose new methods for time series classification and clustering. These methods are based on techniques of Topological Data Analysis (TDA) such as persistent homology and time delay embedding for analysing time-series data. We present a new clustering method SOM-TDA and a new clas...(Read Full Abstract)

Comparing transformation pathways across major economies

  • Authors: Schaeffer R., Köberle A., van Soest H.L., Bertram C., Luderer G., Riahi K., Krey V., van Vuuren D.P., Kriegler E., Fujimori S., Chen W., He C., Vrontisi Z., Vishwanathan S., Garg A., Mathur R., Shekhar S., Oshiro K., Ueckerdt F., Safonov G., Iyer G., Gi K
    Year: 2020
    Source: Climatic Change
    DOI: 10.1007/s10584-020-02837-9

    This paper explores the consequences of different policy assumptions and the derivation of globally consistent, national low-carbon development pathways for the seven largest greenhouse gas (GHG)–emitting countries (EU28 as a bloc) in the world, covering approximately 70% of global CO2 emissions, ...(Read Full Abstract)

Construction, validation and generalization of SERVSTRESS: a measure for service induced customer stress

  • Authors: Roy S., Jain V.
    Year: 2020
    Source: European Journal of Marketing
    DOI: 10.1108/EJM-01-2020-0002

    Purpose: The purpose of this study is to construct and validate a generalizable scale to measure service induced perceived stress for customers of personal services with a high level of intangibles having both online and offline components. Design/methodology/approach: Five studies were conducted to...(Read Full Abstract)

Covid-19 and domestic violence: an indirect path to social and economic crisis

  • Authors: Sharma A., Borah S.B.
    Year: 2020
    Source: Journal of Family Violence
    DOI: 10.1007/s10896-020-00188-8

    Purpose: We intend to identify the links between Covid-19 and domestic violence, expose the potential reasons behind an increase in domestic violence cases due to Covid-19, and argue that rising incidence of domestic violence may lead to economic and social crisis. Method: This is a brief note in wh...(Read Full Abstract)

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