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Brand switching is a common problem for all the companies. Brand switching became a topic of discussion in Wireless Telecom Services Industry in India after allowing Number Portability by the Telecom Regulatory Authority of India (TRAI). TRAI allowed the Number Portability in 2010 in one state (Haryana) and finally launched it all over India in January 2011. Thus, the topic of the brand switching behavior of the consumers assumed greater significance for the wireless telecom industry. This study examines brand-switching attitude, information sources for brand switching, factors influencing brand switching and brand switching behavior. The study used primary data collected during August-November 2015. A survey was conducted among three consumer groups namely Businesspersons, Employees and Professionals divided equally among the three income groups and between males and females equally using stratified sampling technique. To have a national representation of the sample, six metropolitan cities of India (Delhi, Mumbai, Calcutta, Chennai, Bangalore and Hyderabad) were chosen to collect the data

PurposeThe circular economy is a production and consumption model that encourages people to share, lease, reuse, repair, refurbish and recycle existing materials and products for as long as possible. The blockchain-based circular economy is being used in many industries worldwide, but Indian electronic MSMEs face many problems in adopting a blockchain-based circular economy. The research aims to discover the barriers the electronic MSMEs face in adopting a blockchain-based circular economy and pull back from achieving environmental sustainability in their operations.Design/methodology/approachFifteen barriers are identified from the literature review and finalized with experts' opinions. These barriers are evaluated by using interpretive structural modeling (ISM), MICMAC analysis and fuzzy TOPSIS method.FindingsLack of support from distribution channels, lack of traceability mechanism and customer attitudes toward purchasing remanufactured goods are identified as the most critical barriers.Practical implicationsThe study will benchmark the electronic MSMEs in achieving environmental sustainability in the blockchain-based circular economy.Originality/valueIt is a study that not only establishes a hierarchical relationship among the barriers of blockchain adoption in Indian electronic MSMEs but also verifies the results with fuzzy TOPSIS method.

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Lean Six sigma (LSS) is the most widely used improvement strategy in almost all sectors. Initially it was started using in manufacturing and gained popularity across the sectors in short time. As most of the existing Lean Six sigma frameworks / strategies are specific to Manufacturing, Financial & IT sectors. This article presents Lean Six sigma specific tools and techniques relevant to the testing laboratory and the accreditation requirements as per the ISO 17025 standard. The study outlines the Lean Six sigma framework designed for integration in to the testing laboratory quality management system.

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