Workers of every industry have had their ups and downs, moving through the ranks in business. Supposedly, putting in ones time and working those long hours has been the way into promotions and a better position in ones career. But, it’s been difficult to attain any concrete evident proving that a longer work day maximizes a workers output, The New York Times has yet again published an inside look and initiates conversation about whether or not working longer hours produces a better worker.

In any business, one would want to maximize its efficiency, for obvious reasons. That’s how one makes money and contributes. But, ineffectively using employees does not promote that product maximization, and could drag a company further into the red. It depends on the type of business one works for.