One of the following is a regression example for which Entity and Time Fixed Effects could be used. A study of the effect of: minimum wages on teenage employment using annual data from the 48 contiguous states in 2006 and 2007. I='-\\.tarious performance statistics on the (log of) salaries of baseball pitchers in the American League and the National League in 2005 and 2006. 6- ination and inationary expectations on unemployment rates in the United States, Canada and Mexico using quarterly data from 1960-2006. d.drinking alcohol on the GPA of 150 students at your university, controlling for incoming SAT scores, in two consecutive semesters. ' EI-tll of the above. ' f None of the above