To develop their proposal they examined, fi rst, the curricula offered by 47 different univer- sities. They structured the subjects in 11 areas. Second, they analysed the ads (400) placed by Spanish fi rms in the best known Spanish newspapers during the third trimesters of 2000 and 2001, to systematize the type of jobs that were being offered, and thus, the demands of the labour market. These job offers were fi nally classifi ed into 4 separate categories of em- ployment. From this information, to determine the relative weights of each of the subjects of the structure in.