Final answer:
The difference between the market segments at the beginning compared to the end of a round is that (C) the segments evolve and change, influenced by technology and globalization. This has expanded markets beyond local retailers to a global scale, especially in business-to-business sectors.
Step-by-step explanation:
When considering the differentiation between market segments at the start and end of a given period, the market segments evolve and change over the rounds. This evolution is driven by factors such as advancements in technology and the broad effects of globalization. As communications technologies have developed, especially with the internet, consumers have the capability to purchase goods and services from all over the globe, thus expanding the market far beyond local retailers. This change has not only influenced consumer retail markets but also the business-to-business sector, where suppliers and buyers can connect on a global scale.
In light of these shifts, market segments do not remain static; they adapt and transform to meet the evolving demands of consumers and businesses alike. Therefore, businesses must stay agile and responsive to these dynamic market segments in order to maintain competitiveness and relevance.