Government can influence aggregate demand through all the following measures except

Government can influence aggregate demand through various measures such as reducing personal income tax, creating employment opportunities, and increasing workers' fringe benefits. However, retiring a director-general in the public service or making compulsory deductions from salaries of all categories of workers are not measures that can directly influence aggregate demand. Therefore, the correct answer is: "Retirement of director-general in the public service" and "Compulsory deduction from salaries of all categories of workers."