During the last years, gravity equations have leapt from the trade literature over into the literature on financial markets. Martin and Rey (2004) were the first to provide a theoretical model for cross-border asset trade, yielding a structural gravity equation that could be tested empirically....

When banks are faced with a funding shortage in money market wholesale funding, they partly substitute by tapping other wholesale funding sources. Using auction-level data on large corporate deposits, we trace these substitution effects and their implications, which go beyond the balance sheets...

The growing popularity of fintechs has led the Financial Stability Board (FSB) to publish considerations about the effects of this emerging industry on stability and efficiency in the financial sector. Against this background, this paper compares the effects of competition and collaboration...