Adverse selection occurs when one party in a transaction has more information than the other, especially in insurance and finance-related activities.
For other uses of Ada, see Ada (disambiguation). Ada is a city in and the county seat of Pontotoc County, Oklahoma, United States. The population was 16,810 at the 2010 census, an increase of 7.1 percent from 15,691 at the 2000 census. The city was named for Ada Reed, the daughter of an early settler, and was incorporated in 1901.
The 1890 Oklahoma organic act organized the western half of Indian Territory and a strip of country known as No Man's Land into Oklahoma Territory.Reservations in the new territory were then opened to settlement in land runs later that year and in 1891 and 1893.hen Oklahoma became the 46th U.S. state (November 16, 1907), old Greer County was divided into Greer, Jackson, and part of Beckham counties. Mangum remained the county seat of the redefined Greer County. Harmon County was created May 22, 1909, by a vote of the people from a portion of Greer County, Oklahoma.