With extensive country- and firm-level data sets we first document that the financial sectors of most sub-Saharan African countries remain significantly underdeveloped by the standards of other developing countries. We also find that population density appears to be considerably more important...

In developing economies, mobile-linked services have the potential to significantly reduce transaction costs and provide a truly new conduit that could be used to facilitate the flow of savings into banks. We test this premise by introducing a product that permits Sri Lankan households to...

This paper investigates the tradeoff between competition and financial inclusion resulting from the vertical integration between mobile network and money operators. Joining newly assembled data on mobile money fees through the WayBack machine, with sources on network coverage and financials, we...

We develop a micro-founded general equilibrium model with heterogeneous agents and three dimensions of financial inclusion: access (determined by a participation cost), depth (determined by a borrowing constraint), and intermediation efficiency (determined by a monitoring cost). We find that the...

The past decade has witnessed a phenomenal rise of digital wallets, and the COVID-19 pandemic further accelerated their adoption globally. Such e-wallets provide not only a conduit to external bank accounts but also internal payment options, including the ever-popular Buy-Now-Pay-Later (BNPL)....

How does income from international migrant labor affect the long-run development of migrant-origin areas? We leverage the 1997 Asian Financial Crisis to identify exogenous changes in international migrant income across regions of the Philippines, derived from spatial variation in exposure to...

In response to the Covid-19 crisis, 186 countries implemented direct cash transfers to households, and 181 introduced in-kind programs that lowered the cost of utilities such as electricity, water, transport, and mobile money. Do cash or in-kind transfers generate greater welfare improvements?...

We assess the impacts of a randomized school-based deworming intervention in Kenya on the mortality of recipients' children using a 23-year longitudinal data set of over 6,500 original participants and their offspring. The under-5 mortality rate fell by 22% (17 deaths per 1000 live births) for...

Standard economic theory says that unsecured, high-interest, short-term debt -- such as borrowing via credit cards and bank overdraft facilities -- helps individuals smooth consumption in the event of transitory income shocks. This paper shows that -- on average -- individuals do not use such...

We develop a tractable dynamic model of credit markets in which lending standards and the quality of potential borrowers are endogenous. Competitive banks privately choose their lending standards: whether to pay a cost to screen out some unprofitable borrowers. Lending standards have negative...