A discrete time model of financial markets is considered. It is assumed that the stock price evolution is described by a homogeneous Markov chain. In the focus of attention is the expected value of the guaranteed profit of the investor that arises when the jumps of the stock price are bounded....

This paper presents a tractable model of non-linear dynamics of market returns using a Langevin approach.Due to non-linearity of an interaction potential, the model admits regimes of both small and large return fluctuations. Langevin dynamics are mapped onto an equivalent quantum mechanical (QM)...

A new economic revolution liberating financial markets? Seeks to answer some of the questions driving the existential crisis embroiling finance: What is currency? What is value? What is a business? What is a bank, even?This article discusses how regulatory reform, transformative technologies,...

Banking operations are being rewired around a pair of KVA/FVA metrics which quantify market incompleteness, i.e. the impossibility of perfect replication. The FVA is the cost of funding of debt liabilities while the KVA is the risk adjustment for equity liabilities, also called cost of capital....

Financialization of commodity markets has been a broadly discussed topic in recent years. However, its implications for commodity investors have not yet been fully explored. This paper concentrates on the macroeconomic determinants of commodity returns in financialized and non-financialized...

This paper studies the valuation of multiple American options in an incomplete market where asset prices follow Markov-modulated dynamics. The holder's optimal hedging and exercising strategies are determined from a utility maximization problem with optimal multiple stopping. We analyze the...

In this paper, we revisit the Kalman filter theory. After giving the intuition on a simplified financial markets example, we revisit the maths underlying it. We then show that Kalman filter can be presented in a very different fashion using graphical models. This enables us to establish the...

This paper develops and implements an equilibrium model of systemic risk. The model derives a systemic risk measure, loss beta, in characterizing all too-big-to-fail banks using a capital insurance equilibrium. By constructing each bank's loss portfolio with a recent accounting approach, we...

This study provides an overview of the model evolution and research trends in the field of financial and risk modelling by applying a bibliometric approach from 2008–2019 and an overall citation network analysis. We present a content analysis of contributing authors, countries, journals, main...