There are many reasons for mortgage originators to finance their activities by issuing mortgage-backed securities. Similarly, the rating agencies relied on the information provided by the originators of synthetic products. Various musicians have been suggested as the originators of modern two-hand tapping. Sharpe was one of the originators of the capital asset pricing model. Roth, one of the originators of Kustom Kulture of automobile enthusiasts. For the former, he is credited as one of the originators of the documentary hypothesis. George Berkeley is considered one of the originators of British empiricism. They are the originators of the Bwiti religion. Sometimes both early originators are cited. They were one of the early originators of urban roots-rock. Several well-known ballet methods are named after their originators. Amebix and Antisect are often located as the originators of crust punk. Those Muslim warriors were the originators of the Hui people. Over 250 species and cultivars are known, often named for their originators or particular characteristics. He was one of the originators of the urban contemporary gospel sound.