To allow a designer to focus on the information that is relevant for a particular product development phase, is an important aspect of integral product development. Unlike current modelling systems, multiple-view feature modelling can adequately support this, by providing an own view on a product for each phase. Each view contains a feature model of the product specific for the corresponding ph...

W e model a firm's decisions about product innovation, focusing on the extent to which features should be improved or changed in the succession of models that comprise a life cycle. We show that the structure of the internal and external environment in which a firm operates suggests when to innovate to the technology frontier. The criterion is maxi-mization of the expected present value of prof...

This paper presents the impact of multiple-detect test patterns on outgoing product quality. It introduces an ATPG tool that generates multiple-detect test patterns while maximizing the coverage of node-tonode bridging defects. Volume data obtained by testing a production ASIC with these new multipledetect patterns shows increased defect screening capability and very good agreement with the bri...

The advent of heme during evolution allowed organisms possessing this compound to safely and efficiently carry out a variety of chemical reactions that otherwise were difficult or impossible. While it was long assumed that a single heme biosynthetic pathway existed in nature, over the past decade, it has become clear that there are three distinct pathways among prokaryotes, although all three p...

With rapid changes in technology and intense competition in the business environment the importance of cultivating and sustaining foresight in multiple-product innovation firms has been propelled to unprecedented heights. Yet, research on the processes through which such firms mobilise foresight in their working environment remains scarce. This paper seeks to explore the different processes thr...

There are a number of arguments that relate to how firms should do product pricing. Although classic economic arguments suggest that prices are set to maximize profit. empirical evidence indicates that cost-plus pricing is the most widespread approach used in practice. However. other researchers have found other views of how prices are set. including attaining a satisfactory profit and not maki...

We give an asymptotic expansion (the higher Stirling formula) and an infinite product representation (the Weierstrass product representation) of the Vignéras multiple gamma functions by considering the classical limit of the multiple q-gamma functions.

We consider a single-product inventory system that serves multiple demand classes, which differ in their shortage costs or service level requirements. We assume a critical-level control policy, and show the equivalence between this inventory system and a serial inventory system. Based on this equivalence, we develop a model for cost evaluation and optimization, under the assumptions of Poisson ...

A general model of product differentiation of the “address type” is developed in ndimensional Lancasterian product characteristics space. Conditions are specified for assuming non-overlapping spherical catchment areas or “niches” for generalist producers . This leaves market niches for smaller specialist producers, in a dual market structure. Drawing upon the literature on the so-called sphere ...