Germany's most densely populated region, North Rhine-Westphalia. We merge them into geographically meaningful, larger units …

competitive tendering or negotiated procedures. The analysis of the data on 77 European firms over the period 1997-2006 indicates … their productivity is lower. Moreover, firms selected through competitive tendering display higher total factor productivity …

competitive tendering or negotiated procedures. The analysis of the data on 77 European firms over the period 1997-2006 indicates … their productivity is lower. Moreover, firms selected through competitive tendering display higher total factor productivity …

rail or bus, aiming at reducing their costs. During the last twenty years many European metropolitan areas, however, have … element: the zoning of the area. While the ticket price depends on economic variables such as income, the demand and the … the authority which held the leadership. In Region Lombardy a new integrated system is being set up which will coordinate …

achieved without increasing the subsidy nor the fleet if dedicated bus lanes on congested roads are implemented together with …