Throughout the introduction we restrict the time scale to two instants only: today, t = 0, and some future time, say one year from now, t = 1. More refined and realistic situations will be studied in later chapters.
Throughout the introduction we restrict the time scale to two instants only:today, t = 0, and some future time, say one year from now, t = 1. More refinedand realistic situations will be studied in later chapters.