Copulas are a general tool to construct multivariate distributions and to investigate dependence structure between random variables. However, the concept of copula is not popular in Finance. In this paper, we show that copulas can be extensively used to solve many financial problems.

Strategies are often analyzed without confronting quantitatively the clients' views. They also may present an overfitting problem which is detrimental to the investor and the client. In this paper, we present a new quantitative framework that enables the clients and investors alike to test their...

This handbook in Sustainable Finance corresponds to the lecture notes of the course given at University Paris-Saclay, ENSAE, Sorbonne University and Paris Cité University. It covers the following chapters: 1. Introduction, 2. ESG Scoring, 3. Financial Performance of ESG Investing, 4....

This handbook in Sustainable Finance corresponds to the lecture notes of the course given at University Paris-Saclay, ENSAE, Sorbonne University and Paris Cité University. It covers the following chapters: 1. Introduction, 2. ESG Scoring, 3. Financial Performance of ESG Investing, 4....

This handbook in Sustainable Finance corresponds to the lecture notes of the course given at University Paris-Saclay, ENSAE, Sorbonne University and Paris Cité University. It covers the following chapters: 1. Introduction, 2. ESG Scoring, 3. Financial Performance of ESG Investing, 4....

With the recent development of the European debt crisis, traditional index bond management has been severely called into question. We focus here on the risk issues raised by the classical market-capitalization weighting scheme. We propose an approach to properly measure sovereign credit risk in...

In this article, we analyze the impact of weights constraints in portfolio theory using the seminal work of Jagannathan and Ma (2003). They show that solving the global minimum variance portfolio problem with some constraints on weights is equivalent to use a shrinkage estimate of the covariance...

In December 2008, as the nancial and economic crisis continued on its devastating course, a new scandal erupted. After the 1998's failure of Long-Term Capital Management, Madoff's fraud once again discredits the hedge funds industry. This scandal is however of a dierent kind. Indeed, Madoff's rm...