Business diversification and multifaceted markets

Abstract In this paper, we examine multiple segments, conventionally analyzed from the perspective of business diversification, perspectives in a multifaceted market. Specifically, based on segmental financial data, conduct an empirical analysis whether increased sales transportation increase profit margin real estate railroad company. The results show that there are two types sidedness among many businesses. effects both positive and negative indirect network were found to exist. addition, verification difference-in-differences initiation event mutual traffic interconnection demonstrates effect certain extent, shows is not uniform each business, with some businesses showing strong others less visible effects.