Sweat equity is investment in a business that is financed by owner-workers being compensated at less than their market rate. Taking into account the hours spent building sweat equity while ignoring the output introduces an error in measured productivity and distorts the picture of what is...

"We propose and demonstrate a simple method for guiding researchers in developing quantitative models of economic fluctuations. We show that a large class of models are equivalent to a prototype growth model with time-varying wedges that resemble time-varying productivity, labor taxes, and...