Declining spatial transaction costs will affect patterns of urban specialization. The underlying hypothesis is that production locations of goods and services which require face-to-face contacts will continue to be concentrated in core cities of large agglomerations even in the Internet age...

We estimate the determinants of various types of product innovation. Knowledge spillovers from rivals have a positive impact on incremental innovations. This impact is largely independent of the participation in R&D cooperations. Spillovers exert no such independent influence on drastic...