activity
20202025
most citedOptimal Group Size in Microlending

9 citations · 12 across the 5 of their papers we have counts for

collaborators

5 papers

q-fin.MF2025

Group Survival Probability under Contagion in Microlending

Héctor Jasso-Fuentes, Alejandra Quintos, Xinta Yang

In the context of micro-finance, a group of individuals undertake business projects that may interfere with one another. A contagious default happens if one person's project failur…

cs.LG2024

Robust Reinforcement Learning under Diffusion Models for Data with Jumps

Chenyang Jiang, Donggyu Kim, Alejandra Quintos +1

Reinforcement Learning (RL) has proven effective in solving complex decision-making tasks across various domains, but challenges remain in continuous-time settings, particularly wh…

math.PR2021★ 1 cited

Stopping Times Occurring Simultaneously

Philip Protter, Alejandra Quintos

Stopping times are used in applications to model random arrivals. A standard assumption in many models is that they are conditionally independent, given an underlying filtration. T…

q-fin.MF2021★ 2 cited

Computing the Probability of a Financial Market Failure: A New Measure of Systemic Risk

Robert Jarrow, Philip Protter, Alejandra Quintos

This paper characterizes the probability of a market failure defined as the default of two or more globally systemically important banks (G-SIBs) in a small interval of time. The d…

q-fin.MF2020★ 9 cited

Optimal Group Size in Microlending

Philip Protter, Alejandra Quintos

Microlending, where a bank lends to a small group of people without credit histories, began with the Grameen Bank in Bangladesh, and is widely seen as the creation of Muhammad Yunu…