In this essay, we test the presence of the contagion phenomenon during the US sub-prime crisis. We adopt the test of adjusted correlation coefficients between markets and propose a new procedure which involves testing the non-linearity of the propagation mechanisms shocks, estimated with a model...

Quantitative Easing (QE) has been widely used by major central banks in the recent economic and financial crisis that started in 2007. However, the Bank of Japan (BoJ) already applied QE between 2001 and 2006. This paper tries to examine the differences between BoJ-type QE and QE applied by the...

The aim of this paper is to investigate the behaviour of international equity returns and correlations using the discrete-time Markov-switching model and the impact of this behaviour on international portfolio choices. We take the perspective of a US-based global investor who considers...

Global pharmaceutical pricing strategies have been debated in published literature; however, these debates have not accounted for the differences in elasticity of demand between the public, private and cash paying markets. A mathematical model is presented that explores several plausible...

This paper tests whether intra-company transfers, viewed as distinct from ordinary sales transactions by policy makers and tax regulators, are associated with share price. When a multinational firm (MNC) transfers its intermediate goods between the parent company and its foreign subsidiary, its...

Remarks at the Quarterly Regional Economic Press Briefing, New York City.

Remarks at the Quarterly Regional Economic Press Briefing, New York City.

The main objective of our study is to model and forecast volatility as measured by the VIX index, with the aim of producing information to banks and also to macroeconomists. We begin with Arma/Arima models, augmented with Garch errors and exogenous regressors : some macroeconomic leading...