This paper estimates the non-linear impact of ICT network on motorway contribution to total factor productivity. Using …

We study the origins of labor productivity growth and its differences across sectors. In our model, sectors employ … a large and increasing contribution to aggregate labor productivity growth. Neither capital accumulation nor the …

to influence productivity. To this end we estimate plant-level production functions augmented by regional characteristics …

. In the model, firms are heterogeneous in productivity. Selection effect and agglomeration economies caused by … agglomeration increase firms' productivity and decreases industrial entry costs, and factor prices are increased because of … shows that the compositive effect is that the influences of productivity on the latter increase with agglomeration level …