This paper investigates the effect of exogenous entry barriers on productivity growth, using an R&D-based endogenous … for productivity growth. In order to confirm this point in quantitative terms, we estimate the model based on Lentz and …&D tax credits, we show quantitatively that both policies enhance the productivity growth, while there are qualitative …

to the firm-level total factor productivity growth in the 90s. In fact, ten-percentage-point increase of debt-asset ratio … lowered the firm-level total factor productivity growth rate by 0.72 percentage point for 1999-2001 by way of withering R … productivity …