This paper develops a theory of how angel and venture capital markets interact. Entrepreneurs first receive angel then venture capital funding. The two investor types are 'friends' in that they rely upon each other's investments. However, they are also 'foes', because at the later stage the...

This paper examines the effect of investor power in a model of staged equity financing. It shows how the usual effect where market power reduces valuations can be reversed in later rounds. Once they become insiders, powerful investors may use their market power to increase, not decrease...

We develop a new theory of the firm where asset owners sometimes want to change partners ex-post. The model identifies a fundamental trade-off between (i) a "displacement externality" under non-integration, where a partner leaves a relationship even though the benefit is worth less than the loss...

This paper develops a theory of how angel and venture capital markets interact. Entrepreneurs first receive angel then venture capital funding. The two investor types are 'friends' in that they rely upon each other's investments. However, they are also 'foes', because at the later stage the...

Thinking beyond Covid-19, there is a growing interest in what economic structures will be needed to face ongoing pandemics. In this paper we focus on the diagnostic problem and examine a new paradigm of voluntary self-testing by private individuals. People without symptoms face daily choices of...