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The purpose of this paper is to present an analytical drain current model for output characteristics of strained‐Si/SiGe bulk MOSFET.

A physics‐based model for current output characteristics and transconductance of strained‐Si/SiGe bulk devices has been developed incorporating the impact of strain (in terms of equivalent Ge mole fraction), strained silicon thin film thickness, gate work function, channel length and other device parameters. The accuracy of the results obtained using this model is verified by comparing them with 2D device simulations.

This model correctly predicts the output characteristics, I_DS−V_GS characteristics, transconductance and output conductance of the strained‐Si/SiGe MOSFET and demonstrates a significant enhancement in the drain current of the MOSFET with increasing strain in the strained‐Si thin film, i.e. with increasing equivalent Ge concentration in the SiGe bulk.

Can be implemented in a SPICE like simulator for studying circuit behaviour containing strained‐Si/SiGe bulk MOSFETs.

The model discussed in this paper can be easily implemented in a circuit simulator and used for the characterization of strained silicon devices. This complements the recent trend of investigation of new materials and device structures to maintain the rate of advancement in VLSI technology.

This paper presents, for the first time, a compact surface potential‐based analytical model for strained‐Si/SiGe MOSFETs which predicts the device characteristics reasonably well over their range of operation.

This study aims to evaluate Netemeyer and colleagues' much cited financial well-being scale in Brazil and India and compare responses from different demographics. It also compares the results using two analysis techniques, item response theory (IRT) and confirmatory factor analysis (CFA).

A total of 994 survey responses from Brazil and 1,081 from India were collected. IRT and CFA models were used to analyse the data.

The results demonstrate the two-dimensional structure of the financial well-being scale and show that different items are differentially useful in measuring the construct across different groups. These findings may support the scale's future refinement and use in applied studies that will target specific groups (e.g. males, females, younger respondents and older respondents).

This study serves as an example to others who can explore the advantages of IRT over classical test theory methods to assess the psychometric properties of scales aimed at measuring latent constructs of interest in the field of marketing.

The correct diagnosis of financial well-being is important to guide interventions by governments and non-governmental entities, as well as by financial institutions interested in better understanding individuals.

The authors show how the identification of the characteristics of scale items provided by the IRT technique allows for a better understanding of its properties and how it can be improved.

Marketing. Sub subjects: customer segmentation, targeting, positioning and new product launch strategies.

This case can be taught at degree and master level management programmes including distance education mode in business schools having marketing management as one of the subjects.

Maruti Suzuki a leading global Japanese car manufacturer recently launched a new multi utility passenger car with the brand name Ertiga. Ertiga was launched by Maruti Suzuki as life utility vehicle (LUV) using lifestyle categorization instead of using car categorization to position Ertiga using LUV theme. This new category created called LUV is in car categorization between high end hatchbacks and multi utility vehicles/sedans. This case highlights how Maruti Suzuki through effective market research was able to identify a new category and also create and offer a car to the Indian market. This case covers some of the innovative promotional strategies like in film promotions and brand placements which was used to promote Ertiga in India.

The case is designed to enable students to understand the concept of segmentation, targeting, and positioning about the various products launch strategies companies adopt in the emerging markets. Also this case covers the marketing mix concepts and how it was adopted during the Ertiga launch in India.

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