4. Sectoral shifts, frictional unemployment, and job searches Suppose the world price of aluminum falls significantly. The demand for labor among aluminum-producing firms in Pittsburgh will . The demand for labor among airplane manufacturing firms in Washington, which use aluminum as an input, will . The temporary unemployment that results from sectoral shifts such as the ones describes above is best categorized as unemployment. Suppose the government wants to reduce this type of unemployment. Which of the following policies would help achieve this goal? Check all that apply. Offering recipients of unemployment insurance benefits a cash bonus if they find a new job within a specified number of weeks Improving a widely used job-search website so that it matches workers to job vacancies more effectively Taxing the price of placing a resume or posting a job opening on a job-search website