Donoghue, however, maintains that no one cares whether the humanities can survive the 21st century. “Budgetary shortfalls” and “the absence of a job market” in America since the 1970s have affected all disciplines in the humanities. Current salaries for full professors in arts and humanities are on the average US$100,000 less than those in law and business. According to Donoghue, a 2006 study on faculty hiring trends throughout the 20th century in the British Commonwealth between 1915 and 1995 showed a decrease of 41% in the number of humanities faculty jobs in contrast to a 222% increase in faculty jobs in the social sciences. He identified a number of factors that contributed to this “shrinkage of the humanities”: changes to the curriculum in universities with the offering of more electives led to students choosing not to study humanities; the increase in the number of two-year colleges, community colleges and for-profit universities which are preoccupied only with preparing students for specific occupations; and universities functioning as and working in partnerships with corporations which subsidise research and provide funding only for the sciences.