the pictures of the textbooks play an important role in the transfer of conceptsand values to students. however, no comprehensive studies have been done onthe functions of pictures and their effects on the students from the genderperspective in the instructional language textbooks in iran. accordingly, thecurrent study is an attempt to evaluate the pictures in iranian high-schoolenglish textboo...

We specifv and estimate an equilibrium job search model with pro” ductivitv differences across labor market segments. The model allows for two types of unemployment: frictional unemployment due to search frictions and structural unemployment due to wage floors. Wage floors exist because of high unemplovment benefits or binding minimum wages. The . productivitv distribution is estimated semi-non...