The persistence behavior for fluctuating steps on the Si(111)-(sqrt[3]xsqrt[3])R30 degrees -Al surface was determined by analyzing time-dependent STM images for temperatures between 770 and 970 K. Using the standard persistence definition, the measured persistence probability displays power-law decay with an exponent of theta=0.77+/-0.03. This is consistent with the value of theta=3/4 predicted...

This paper investigates the relationship between the cooperative behavior of manufacturing establishments in a region and the efficiency of their R&D activities using data for eleven European regions. Some significant differences in the attitude towards R&D cooperation, as well as with regard to the efficiency of R&D activities between the regions can be found. However, these two issues appear ...

We study the location of various film-related services (such as camera rental, casting agencies or pyrotechnic services), the main determinant of interest being the human capital specificity. We show that firms which supply services with a lower firm specificity locate farther away from one another, and argue that it can be concluded that the "poaching" argument (fear of employees leaving for a...

Unusual quantum phenomena usually emerge upon doping Mott insulators. Using a combinatorial molecular beam epitaxy system integrated with cryogenic scanning tunneling microscopy, we investigate the electronic structure of modulation-doped insulator Sn/Si(111)-($\sqrt{3}\times \sqrt{3}$)-R30$^\textrm{o}$. In underdoped regions, observe universal pseudogap opening around Fermi level, which change...

We use new data on the location and background of entrants into the US tyre industry to analyse why the industry became so regionally concentrated around Akron, Ohio, a small city with no compelling advantages for tyre production. We analyse where the Ohio entrants originated and conduct various analyses of how proximity to other tyre firms affected the longevity of tyre producers. We also exam...

Literature suggests that location should matter for R&D activities. However, attempts to empirically detect differences in innovation activity between regions have so far been rather unsuccessful. Using a unique data set which contains comparable information about manufacturing enterprises in eleven European regions, a number of significant regional differences in the efficiency of innovation a...

The local adsorption structure of methylthiolate in the ordered Au(111)-(sqrt[3]xsqrt[3])R30 degrees phase has been investigated using core-level-shift measurements of the surface and bulk components of the Au 4f(7/2) photoelectron binding energy. The amplitude ratio of the core-level-shift components associated with surface Au atoms that are, and are not, bonded to the thiolate is found to be ...