Increasingly, information technology (IT) is incorporated in products to make them 'smart' - to provide the user with improved information about and control over performance, greater automation, and enhanced features, functions, and capabilities. These product improvements - and one hopes the...

As companies rush into opening markets in Eastern Europe and elsewhere, and as suppliers everywhere introduce new products in existing markets, they need to decide which and how many versions of the product to offer at the time of market entry and how to change the product line over time. Given...