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...