We examine how agents learn when information from original sources only reaches them after noisy relay. In the presence of random mutation of message content and transmission failures, there is a sharp threshold such that a receiver fully learns if and only if they have access to more chains...

Can we identify the members of a community who are best- placed to diffuse information simply by asking a random sample of in- dividuals? We show that boundedly-rational individuals can, simply by tracking sources of gossip, identify those who are most central in a network according to...

Whether basic entrepreneurship can be inculcated amongst the poorest in society and serve as a route out of poverty remains an open question. We provide evidence on this issue by looking at the effects of a large-scale asset transfer and training programme which is targeted at the poorest women...

Can large-scale peer interaction foster entrepreneurship and innovation? We conducted an RCT involving almost 5,000 entrepreneurs from 49 African countries. All were enrolled in an online business course, and the treatment involved random assignment to either face-to-face or virtual...

I provide a typology of social capital, breaking it down into seven more fundamental forms of capital: information capital, brokerage capital, coordination and leadership capital, bridging capital, favor capital, reputation capital, and community capital. I discuss how most of these forms of...

This paper explores the role social network capital might play in facilitating poor agents' escape from poverty traps. We model and simulate endogenous network formation among households heterogeneously endowed with both traditional and social network capital who make investment and technology...