If output is above its natural rate, then according to sticky-wage theory workers and firms will strike bargains for higher wages. This increase in wages shifts the short-run aggregate supply curve left. aggregate workers and firms will strike bargains for lower wages. This decrease in wages shifts supply curve left aggregate workers and forms will strike bargains for higher wages. This increase in wages supply curve right workers and firms will strike bargains for lower wages, This decrease in wages shifts the short-run aggregate supply curve right