productivity gains to investment and an incentive plan, we are left with a large unexplained component. Learning by experimentation …We document the evolution of productivity in a steel mini mill with fixed capital, producing an unchanged product with …, or tweaking, seems to be behind the continual and gradual process of productivity growth. The findings suggest that …

SMPEs with positive taxable income increased investment, interest expense and productivity. SMPEs in taxable losses did not …