Final answer:
Exit routes in business are determined by economic factors such as profitability thresholds on cost curve diagrams, market behavior, and strategic decisions, likely referring to exit strategies in a market context.
Step-by-step explanation:
The quantities and types of exit routes are influenced by several factors, primarily within the context of business economics regarding market entry and exit strategies. The quantification of routes often involves analyzing various operational characteristics, including the volume of business activities and the behavioral patterns of markets over time. In cost curve diagrams, the two lines that intersect at the shutdown point are typically the average cost curve and the marginal cost curve; this intersection represents the point where continuing operations is no longer profitable, thus leading to an exit decision.
Exit occurs in competitive markets to avoid losses when the cost of operations exceeds potential revenue. It can happen in the short run or long run, but permanent exit is generally associated with long-term decisions. Factors like accident or deliberate action (transport of a species), can also apply metaphorically to business scenarios where accidental or strategic moves lead to exits in business environments. Additionally, exit route quantities can be determined by regulatory requirements or safety protocols in physical terms, as in evacuation planning.