collaborators

8 papers

q-fin.RM2025

A calibrated model of debt recycling with interest costs and tax shields: viability under different fiscal regimes and jurisdictions

Carlo von der Osten, Sabrina Aufiero, Pierpaolo Vivo +2

Debt recycling is a leveraged equity management strategy in which homeowners use accumulated home equity to finance investments, applying the resulting returns to accelerate mortga…

q-fin.RM2025

Mapping Microscopic and Systemic Risks in TradFi and DeFi: a literature review

Sabrina Aufiero, Silvia Bartolucci, Fabio Caccioli +1

This work explores the formation and propagation of systemic risks across traditional finance (TradFi) and decentralized finance (DeFi), offering a comparative framework that bridg…

cond-mat.stat-mech2025

Top eigenpair statistics of diluted Wishart matrices

Barak Budnick, Preben Forer, Pierpaolo Vivo +3

Using the replica method, we compute the statistics of the top eigenpair of diluted covariance matrices of the form , where is a…

q-fin.GN2025

Cryptocurrencies in the Balance Sheet: Insights from (Micro)Strategy -- Bitcoin Interactions

Sabrina Aufiero, Antonio Briola, Tesfaye Salarin +3

This paper investigates the evolving link between cryptocurrency and equity markets in the context of the recent wave of corporate Bitcoin (BTC) treasury strategies. We assemble a…

econ.GN2025

DebtStreamness: An Ecological Approach to Credit Flows in Inter-Firm Networks

Anahí Rodríguez-Martínez, Anahí Rodríguez-Martínez, Silvia Bartolucci +4

Understanding how credit flows through inter-firm networks is critical for assessing financial stability and systemic risk. In this study, we introduce DebtStreamness, a novel metr…

q-fin.RM2025

Financial instability transition under heterogeneous investments and portfolio diversification

Preben Forer, Barak Budnick, Pierpaolo Vivo +3

We analyze the stability of financial investment networks, where financial institutions hold overlapping portfolios of assets. We consider the effect of portfolio diversification a…