We consider education as a number of multistage creative processes and analyse one of them - teaching knowledge (process P1) - in detail. In part 1 we describe the idea of Virtual Production Line (VPL), introduced by Walukiewicz in 2006 as an extension of Classical Production Line (CPL), an...

This paper studies how a retailer decides the length of product line in a vertically related industry. We study a market with two product varieties. Each retailer decides the number of varieties it procures from an upstream manufacturer. The manufacturer may open an online store and encroach on...

Competitive intensity is a level of competition intensification in a market or an industry. This is expressed in various forms and some paper measured the competitive intensity as the number of products that newly released each year in an industry (Putsis & Bayus, 2001). In other paper, they...