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....

The first goal of Sustainable Development Goals (SDGs) is the absence of poverty to be achieved by 2030. Thus, access to and usage of financial services play an important role in achieving this, where ICT and digital technologies are the main tools, that describe it as a digital financial...