Steel workers placing sheet steel in a large brake pressThomas Barwick/Getty ImagesInvestors are worried that labor market weakness could thwart a soft landing.However, Goldman Sachs' Joseph Briggs doesn't think there's reason for concern.Briggs shares 3 indicators of a healthy labor market and overall economy.As inflation creeps downward, investors are increasingly turning their attention to the labor market to look for clues of a soft landing.Both July and August employment data fell short of Wall Street expectations after revealing lower-than-expected job additions, sparking fears of a recession and sending stocks tumbling.