Although statistical term structure models provide exceptional in-sample fitting and out-of-sample forecasting of interest rates, the lack of theoretical background is criticized by academics and practitioners, such as the absent of arbitrage free. In this paper we develop a general...

Minimum variance and equally-weighted portfolios have recently prompted great interest both from academic researchers and market practitioners, as their construction does not rely on expected average returns and is therefore assumed to be robust. In this paper, we consider a related approach,...

E cikk az új, feltehetően 2007-ben életbe lépő Bázel II. tőkeegyezményben a hitelkockázatok számszerűsítésére alkalmazott közgazdasági modellt és annak matematikai hátterét mutatja be. A modell olyan leegyszerűsítő feltevéseket használ a csődfolyamatok modellezésére...

An important question in insurance is the amount of coverage to purchase. A standard microeconomic model for insurance shows that full insurance is optimal. I present a different model where the decision variable is the number of put options and show that full insurance is still optimal, but the...

Este artículo emplea la teoría del portafolio de Harry Markowitz paraconstruir dos portafolios, cada uno compuesto por cinco acciones de laBolsa de Valores de Colombia. Estos portafolios se elaboran pensandoen dos inversionistas con aversión al riesgo, pero con distinto nivelde tolerancia al...

Minimum variance and equally-weighted portfolios have recently prompted great interest both from academic researchers and market practitioners, as their construction does not rely on expected average returns and is therefore assumed to be robust. In this paper, we consider a related approach,...

We research the properties of implicit transaction costs function for general-shaped limit order book. Equivalent conditions for linearity of the function are presented in terms of market liquidity. We also present a suitable functional form of implicit costs for order-driven market on the...

Portfolio construction and risk budgeting are the focus of many studies by academics and practitioners. In particular, diversification has spawn much interest and has been defined very differently. In this paper, we analyze a method to achieve portfolio diversification based on the decomposition...

In this paper we propose a cyclical coordinate descent (CCD) algorithm for solving high dimensional risk parity problems. We show that this algorithm converges and is very fast even with large covariance matrices (n 500). Comparison with existing algorithms also shows that it is one of the most...

The theory of acceptance sets and their associated risk measures plays a key role in the design of capital adequacy tests. The objective of this paper is to investigate the class of surplus-invariant acceptance sets. We argue that surplus invariance is a reasonable requirement from a regulatory...