This article focuses on the application of the Pykhtin model to the Italian banking system to measure concentration risk by industry sector and geographic region. The proposed approach generalizes the portfolio model used in Pillar 1 for the calculation of the capital requirement, removing the...

Risky investment projects make the coordination among small, uninformed investors hard to achieve, and generate inefficient low levels of investment. Several authors have pointed out the benefits to an economy from multiple avenues of financial intermediation. This paper explains endogenously...