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The paper is concerned with interpolatory proper orthogonal decomposition (IPOD) methods for nonlinear transmission line circuits. This paper aims to examine several factors that must be considered when applying such model reduction techniques to this kind of circuit.

Two types of POD will be implemented. In each case, the choice of the order of the reduced model and the order of the interpolation space shall be considered. The stability of the models shall be explored.

The results indicate that the order for the reduced model to obtain accurate results depends on the chosen method when considering nonlinear transmission lines. The results also indicate that the structure of the nonlinear transmission line is crucial for determining the stability of the reduced models.

The work compares two IPOD methods and discusses the issues involved in achieving an accurate and stable reduced-order model for a nonlinear transmission line.

The purpose of the study is to identify and analyze critical mediating and moderating market intelligence challenges faced by the SMEs when implementing corporate social responsibility (CSR) based on an applied market-oriented business model (MOBM).

Focusing on developing CSR-integrated market intelligence, this study uses an action research method by analyzing four case studies. Data is collected through interviews, interactive and knowledge-sharing meetings and on-site observations. The study is part of a larger European Union project using the developed MOBM to follow the four companies' CSR implementation and learning process over a 14-month period. The action research includes seven meetings; between these, the researchers introduced the SMEs to different business focus areas, where CSR is a vital part of the MOBM.

This study shows that the SMEs are too technology-focused and have little initial idea of how to integrate CSR advantages for market intelligence into their internationalization. The MOBM model offers insights and knowledge on the strength and weakness of the internal organization to meet challenges in internationalization.

Via case study and action research, this study spotlights the challenges that SMEs face in the CSR implementation process and how they deal with those challenges to develop market intelligence competence internally. Instead of following a traditional research approach, the current study applies a CSR-based method where the SMEs go through a knowledge development process that originated from a theoretically designed MOBM.