Should we get rid of tenure? http://freakonomics.com/2007/03/03/lets-just-get-rid-of-tenure/

Why do Professors contribute to grade inflation? - https://www.insidehighered.com/views/2011/08/09/essay_on_why_faculty_members_participate_in_grade_inflation

Adjuncts vs Tenured Professors - http://bostonreview.net/blog/rollert-adam-smith-education-incentives

Tenure Creates the Wrong Incentives - http://www.usnews.com/debate-club/should-primary-school-teachers-get-tenure/tenure-creates-the-wrong-incentives

Example of Steps to get tenure - http://www.ferris.edu/htmls/colleges/educatio/media/Files/Tenure-Policy.pdf