11. Each concluded that this measure of Value Line analysts'optimism could be valuable in timing the markets. 12. The most well-known and used measure of value -added is the GDP ( Gross Domestic Product ). 13. While value investors are not all alike in their selection of measures of value , their emphasis is consistent. 14. Trade exchanges and LETS ( local exchange trading system ) that use price as a measure of value . 15. The sometimes unique nature of these houses means there are no standard measures of value such as comparables. 16. One study categorizes these measures of value into six groups : utility, function, contemplative, aesthetic, recreational, and ecological. 17. She simply told investors to focus on companies they believed in and to apply the standard measures of value . 18. Money is a measure of value : Money carries value wherever it goes-not a record of its past purchases. 19. It is essentially a measure of value and more importantly, a store of value being a basis for credit creation. 20. Library functions, services and usage are changing so rapidly that it is difficult to establish standards or measures of value .