If we are to have a stabilized market demand, selling pressure should be maintained ... perhaps increased ... at the first sign of a decline in business. I know of no single way business managers can do more to stabilize market demand than through greater stabilization of sales and advertising expenditures.

Increasing selling pressure at the first sign of a business decline can indeed help stabilize market demand. Consistent sales and advertising expenditures are key to achieving this goal. It's crucial for business managers to proactively manage these factors to ensure market stability.