The welfare impact of expanding access to bank accounts depends on whether accounts crowd out pre-existing financial relationships, or whether private gains from accounts are shared within social networks. To study the effect of accounts on financial linkages, we provided free bank accounts to a...

We present a model of shadow banking in which financial intermediaries originate and trade loans, assemble these loans into diversified portfolios, and then finance these portfolios externally with riskless debt. In this model: i) outside investor wealth drives the demand for riskless debt and...

Central banks provide public liquidity to traditional (regulated) banks with the intention of stabilizing the financial system. Shadow banks are not regulated, yet they indirectly access such liquidity through the interbank system. We build a model that shows how public liquidity provision may...

We show that stricter bank liquidity standards can trigger unintended credit booms when there is heterogeneity in interbank pricing power. Attempts to circumvent the regulation change the allocation of savings across institutions, eliciting strategic responses that also change the allocation of...

Rotating Savings and Credit Association (Rosca) is an important informal financial institution in many parts of the world used by participants to share income risks. What is the role of Rosca when formal credit market is introduced? We develop a model in which risk-averse participants attempt to...

This paper describes how imperfect information in both capital and labor markets can, in a context of maximizing firms and perfectly flexible prices and wages, give rise to cyclical variations in unemployment whose character closely resembles that of observed business cycles

We examine whether social networks facilitate online markets using data from a leading peer-to-peer lending website. We find that borrowers with social ties are consistently more likely to have their loans funded and receive lower interest rates; however, most borrowers with social ties are more...

Commercial banks are subject to regulation that restricts their investments. When banks are concerned for their reputation, however, they could self-regulate and invest more efficiently. Hence, a shadow banking that arises to avoid regulation has the potential to improve welfare. Still,...