This case study examines the initiation, financing, development, and failed merger of an ambitious online grocery retail venture: HomeGrocer.com. It highlights the risks and challenges associated with developing a revolutionary venture. Even though the HomeGrocer.com team did many things right...

In this paper we use only Sperner’s lemma to prove the existence of general equilibrium for a competitive economy with production or with uncertainty and financial assets. We show that the direct use of Sperner’s lemma together with Carathéodory’s convexity theorem and basic properties of...