In this paper, a vectorized quadratic convex optimization algorithm based on Matlab's quadprog built-in function is proposed. We target specifically a classic problem confronted by portfolio analysts, that of optimizing asset allocation when choosing among several asset classes, in the context...

We test for the performance of a series of volatility forecasting models (GARCH 1,1; EGARCH 1,1; CGARCH) in the context of several indices from the two oldest cross-border exchanges (Euronext; OMX). Our findings overall indicate that the EGARCH (1,1) model outperforms the other two, both before...

Political uncertainty is a key determinant of investment decisions. Specifically, the uncertainty that surrounds government policy makes beliefs noisier and depresses stock prices. In this paper, we explore whether institutional investors "herd", i.e., mimic each other's trades, in response to...

Using a large sample of 13,674 initial public offerings (IPOs) from 37 countries, we find that trading rules on market manipulation reduce IPO underpricing. The effect is weaker for IPOs certified by reputable intermediaries, in countries with greater shareholder rights protection, better...

We examine the presence of the Ramadan effect in feedback trading drawing on a sample of eleven majority Muslim markets for the period of 29/6/2001 to 1/8/2016. Feedback trading is significant in several of these markets, appearing stronger outside, rather than within, Ramadan. These results...