... found for market size, by 2000, the notional value of such contractsworldwide was in excess of $100 trillion.They traced the origins of the Chicago Board of Options Exchange, interview-ing the ... Non-Economic Action. Much social liferevolves around a non-economic focus. Therefore, when economic and non-economic activity are intermixed, non-economic activity affects the costs and the available ... others they know, the impact of knowing each other on the price varies with their relationship, the cost of shifting to different partnersand the market situation. To understand how deviations...