The digital industries cluster known as Silicon Roundabout has been quietly growing in East London since the 1990s. Rebranded Tech City, it is the focus of huge public and government attention. National and local policy makers wish to accelerate the local area's development: such cluster...

We take a fresh look at firms' innovation-productivity linkages, using novel data capturing new aspects of innovative activity. We combine UK administrative microdata, media and website content to develop experimental metrics - new product/service launches - for a large panel of SMEs. Extensive...