2.1 Sectoral shifts def:changes in the composition of demand among industries or regions examp/e:Technological change increases demand for computer repair persons, decreases demand for typewriter repair persons examp/e:A new international trade agreement causes greater demand for workers in the export sectors and less demand for workers in import- competing sectors. It takes time for workers to change sectors, so sectoral shifts cause frictional unemployment. CHAPTER 6 Unemployment slide 14slide 14 § def: changes in the composition of demand among industries or regions § example: Technological change increases demand for computer repair persons, decreases demand for typewriter repair persons § example: A new international trade agreement causes greater demand for workers in the export sectors and less demand for workers in import- competing sectors. § It takes time for workers to change sectors, so sectoral shifts cause frictional unemployment. 2.1