The study of heuristics in human decision-making was developed in the 1970s and 80s by Israeli psychologists Amos Tversky and Daniel Kahneman, although the concept was originally introduced by Nobel laureate Herbert A. Simon.
Christina Aguilera is an American singer-songwriter, record producer and actress who has an estimated net worth of $100 million and an annual salary of $130 million.She is sometimes called by the names Chrissy, X-Tina, Baby Jane, and Candy who is best known for her vocal power and provocative personal style.er breakthrough hit was the single Genie in a Bottle. Christina Aguilera had her follow-up studio albums Stripped (2002) and Back to Basics (2006). She then expressed that she wanted a much bigger control over her music so she intentionally fostered a. more adult image.
Christina Aguilera net worth and salary: Christina Aguilera is an American musician who has a net worth of $130 million dollars.Christina Aguilera was born on December 18, 1980 in Staten Island, New York.She is best known for her vocal power and her provocative personal style and was one of the most popular pop artists of the 2000s.n the same week, she signed with RCA Records. Her first album, Christina Aguilera, was released in 1999 and topped the American and Canadian Billboard charts. The album eventually sold over 17 million copies worldwide and earned Aguilera a Grammy Award for Best New Artist.