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...

The Entrepreneurial Ecosystems (EE) approach makes specific predictions regarding how EE inputs are converted into high-growth firms (HGFs) as an output. A simulation model draws out our hypothesis of regional persistence in HGF shares. Based on intuitions that EEs are persistent, we investigate...