"This book is designed to provide a good understanding of the field of investments while stimulating interest in the subject. This understanding is valuable because each of us must make various investment decisions during our lifetimes--definitely as individuals, and pos- sibly in our chosen...

The central formula in asset pricing relates the price of an Arrow-Debreu security to an investor's preferences and beliefs: Price of an Arrow-Debreu security = Preferences Beliefs. We observe the prices of Arrow-Debreu securities in the option markets. But we do not directly observe the extent...