esteban and dinar conclude on the superiority of packaged sequenced policies instead of individual ones fuentes supports the use of economic incentives for water user associations to cooperate and enforce regulatory requirements on groundwater in spain sophodeous reports that the relative successes that have allowed to slow down groundwater overdrafting in kansas can be attributed to the multiple approaches that have been implemented such as the establishment of groundwater management districts minimum stream flow regulations metering and monitoring of resources integrated resource planning aquifer storage and recovery asr a central water bank and various water conservation programs