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Journal Articles | 2017

Convergence or Divergence: The impact of globalization on employee relations in India and China

Jatinder Kumar Jha and Biju Varkkey

International Journal of Employment Studies

This paper explores the underlying principles of employee relations and the pattern of their evolution in India and China, in the context of globalisation. Globalisation has deeply influenced the way economies function and altered the national patterns of employee relations. Using evidences from available extant literature, we mapped the approaches taken by both India and China to highlight the impact of globalisation on employee relations and found that competition, followed by globalisation, and changes in the trade union structures, have prompted the introduction of the 'human' element to employee relations practices, particularly at the enterprise level; besides, a lucid convergence in employee relations patterns is also witnessed, alongside some divergences in the approaches. The points of convergence include the introduction of the human element in employee relations, labour flexibility, reduction in union membership and increased focus on individual employment contracts. Divergence is primarily witnessed in the degree of involvement of trade unions and governments in employee relations. The differences in patterns observed between the countries can be attributed to the unique institutional factors of each country.

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Journal Articles | 2017

A Multi-tier linking approach to analyze performance of autonomous vehicle-based storage and retrieval systems

Debjit Roy, Ananth Krishnamurthy, Sunderesh S. Heragu, and Charles Malmborg

Computers & Operations Research

To improve operational flexibility, throughput capacity, and responsiveness in order fulfillment operations, several distribution centers are implementing autonomous vehicle-based storage and retrieval system (AVS/RS) in their high-density storage areas. In such systems, vehicles are self-powered to travel in horizontal directions (x- and y- axes), and use lifts or conveyors for vertical motion (z-axis). In this research, we propose a multi-tier queuing modeling framework for the performance analysis of such vehicle-based warehouse systems. We develop an embedded Markov chain based analysis approach to estimate the first and second moment of inter-departure times from the load-dependent station within a semi-open queuing network. The linking solution approach uses traffic process approximations to analyze the performance of sub-models corresponding to individual tiers (semi-open queues) and the vertical transfer units (open queues). These sub-models are linked to form an integrated queuing network model, which is solved using an iterative algorithm. Performance estimates such as expected transaction cycle times and resource (vehicle and vertical transfer unit) utilization are determined using this algorithm, and can be used to evaluate a variety of design configurations during the conceptualization phase.

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Journal Articles | 2017

How to answer some tricky interview questions?

Asha Kaul

HBR Ascend

Journal Articles | 2017

Energy appliance transformation in commercial buildings in India under alternate policy scenarios

Amit Garg, Jyoti Maheshwari, P.R.Shukla, and Rajan RawalKordrostami

Energy, 140(1), 952-965

The total electricity consumption from commercial sector was about 9% during 2013–14 in India. Load research survey was carried out to study the usage patterns for all types of electric appliances used in commercial establishments at income, appliance and end-use levels in Gujarat state of India – one of the most progressive states. Penetration level of efficient appliances, electricity load curves and Energy Performance Index (EPI) were estimated. The mean EPI was 98 kWh/m2/year (SD = 105.5) for surveyed small commercial establishments (low income) while mean EPI was 181 kWh/m2/year (SD = 68) for surveyed large commercial establishments (Malls). Electricity saving potentials was estimated if electric appliances at these commercial establishments were replaced with efficient appliances. Four alternate scenarios were analyzed using cost of conserved energy (CCE) curves with various efficiency enhancement options – following at least commercial sub-category level median EPIs, following average EU equivalent EPI levels, following average EPI levels of equivalent US commercial establishments, and following the best available technologies (BAT). The average energy savings ranged between 14% and 25% across buildings and scenarios. Energy efficient air-conditioner and LED lights offer the highest energy savings potential among appliances.

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Journal Articles | 2017

Measurement error in astronomy

Tathagata Banerjee and Surupa Roy

Wiley Stats Ref: Statistics Reference Online

Measurement error is ubiquitous in astronomy. In the astronomical literature, discussion on measurement error problems is almost entirely confined to linear regression. We introduce a linear regression measurement error model (LRMM) highlighting the distinguishing features of the model and the data that typically arise in astronomy. Standard methods, proposed in the statistics literature for tackling measurement error problems in regression analysis, are not useful for the analysis of astronomical data. We briefly discuss the methods, and their appropriateness, commonly used by the astronomers for analysis of data using LRMM. A short discussion, on their relative performances based on the available numerical studies, is given. We conclude with some remarks on data characteristics typical to astronomical data and on an emerging measurement error problem in astronomy.

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Journal Articles | 2017

Two-stage test of means of unordered pairs

Tathagata Banerjee Gaurangadeb Chattopadhyay and Kaustav Banerjee

Statistics in Medicine

The problem of testing equality of means of a bivariate normal distribution on the basis of a sample of size n has been considered when the labels of the observations are either missing or not known. The problem may arise in many applied settings, especially in genetics. Classical likelihood ratio test fails here because of identifiability problems. We propose a two-stage testing procedure using a recently developed test in the context of penalized splines. The proposed testing procedure is found to outperform the tests proposed in the literature. Copyright © 2017 John Wiley & Sons, Ltd.

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Journal Articles | 2017

Does strategic planning determine innovation in organizations? A study of Indian SME sector

Safal Batra, Sunil Sharma, Mukund M. Dixit, and Neharika Vohra

Australian Journal of Management

While some researchers argue that strategic planning assists new product development and can be viewed as a framework for innovation, others believe that it restricts creativity and innovation. Despite a literary appreciation that strategic planning is linked to innovation, the nature of this relationship remains ambiguous. In this study, we argue that this relationship is context dependent and contingent on other organizational factors. Data for this study were collected by administering standardized survey questionnaires to entrepreneurs or other senior executives of small and medium businesses in India. Quantitative analysis of data obtained from 162 small- and medium-sized enterprises (SMEs) in the manufacturing sector reveals a positive relationship between strategic planning and innovation. This study also establishes a significant positive moderating role of commitment to learning on the relationship between strategic planning and innovation. Implications for theory and practice are discussed.

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Journal Articles | 2017

The essence of downsizing: A review of literature

Prantika Ray and Sunil Kumar Maheshwari

The Indian Journal of Industrial Relations

The process of downsizing has often been considered as a onetime activity that is disconnected from the processes and the outcomes associated with the activity. Since the strategies, organizational, industrial and environmental characteristics play a crucial role in determining the success and/or failure of the downsizing process, a piece-meal approach to the research on downsizing is not enough. This paper thus presents a holistic view of the downsizing process where the dynamics that ensue during the downsizing are elucidated in a framework. This paper further discusses certain implications for practitioners and provides scope for future research for the researchers.

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Journal Articles | 2017

Case-Optimal Movement Plan of rice in the state of Andhra Pradesh in India

Sundaravalli Narayanaswami and N. Ravichandran

Informs Transactions on Education

The case discusses an optimal movement plan for food grains (rice) by a state sponsored agency, the Food Corporation of India (FCI) in the State of Andhra Pradesh in India. There are five resource locations and eleven demand locations in this distribution network. Resource capacity and demand requirement for the three product (rice) variants at each location are known. There is no storage capacity restriction either in the demand or source location. Information related to rail network, its connectivity, distance in kilometers between origin-destination pairs, cost of transportation per tonne of food grain by rail or road are known. The primary issue is to develop a monthly movement plan to minimize the overall transportation costs subject to meeting the demand-supply restrictions. The total supply available for distribution and the total requirement at various locations are both equal at the product variant and aggregate level. The secondary issue is to develop an alternative movement plan to fulfil the demand requirements at a location, Karimnagar, which does not have a direct rail connection. Few plans are proposed to resolve the issues; the case encourages analysis of the problem situation and evaluation of the alternate resolution plans.

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Journal Articles | 2017

Tenancy reforms: A critique of NITI Aayog’s Model Law

Sukhpal Singh

Economic and Political Weekly: A Journal of Current Economics and Political Affairs

There is no doubt that the agricultural land leasing laws in India need to be amended to make land leasing legal and easier. The Niti Aayog report (2016) proposes a formal model law on land leasing. Critically examining the logic for liberalisation of land leasing laws, the limitations of the model lease agreement are brought out. It is argued that the model law ignores the diversity and dynamics of leasing arrangements in India and the socio-economic implications of the realities of tenancy practices.

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