We investigate the link between human capital depreciation and education level through a nonlinear wage equation, using data from the Swiss Labor Force Survey (SLFS) over the period 1998-2008. Instead of using a purely quantitative approach to separate workers by years of education, qualitative...

Measuring the private returns to R&D requires knowledge of its private depreciation or obsolescence rate, which is inherently variable and responds to competitive pressure. Nevertheless, most of the previous literature has used a constant depreciation rate to construct R&D capital stocks and...