The behavior of labor compensation, the height of profit margins, and still-strong productivity growth all suggest that workers and businesses continue to face very competitive market conditions and that cost increases will remain in check. But in the current circumstances, we need to be vigilant for signs of persistent upward pressure on costs, a marked tightening of labor and product markets, a reduction in global discipline on domestic pricing decisions, or increases in inflation expectations--especially expectations of price increases over the longer run.