Entrepreneurial firms in their early stages cannot finance their own capital sufficiently; hence, external investment is crucial for their survival. Angels, venture capital, and governmental support have played key roles in entrepreneurial financing. Accelerators, a new type of early-stage...

The last decade has seen a rapid expansion and deepening of the types of vehicles that fund start-up firms in the U.S. and worldwide. In particular, we have seen a growing role of angel groups and other more "individualistic" funding options for start-ups, such as super angels or crowd sourcing...