A new form of lending using digital collateral has recently emerged, most prominently in low and middle income countries. Digital collateral (DC) relies on "lockout" technology, which allows the lender to temporarily disable the low value of the collateral to the borrower without physically...

Pay-as-you-go (PAYGo) financing is a novel contract that has recently become a popular form of credit, especially in low- and middle-income countries (LMICs). PAYGo financing relies on lockout technology that enables the lender to remotely disable the flow benefits of collateral when the...

We propose a model of money, credit and bubbles, and use it to study the role of monetary policy in managing asset bubbles. In this model, bubbles pop up and burst, generating fluctuations in credit, investment and output. Two key insights emerge from the analysis. First, the growth rate of...