Quantitative research analysts (Quants) produce in-depth quantitative and econometric modeling of market anomalies to assist sell-side analysts and institutional clients with stock selection strategies. Quants are associated with more efficient analyst forecasting behavior on anomaly predictors...

This paper investigates the profitability of technical trading rules in the Athens Stock Exchange (ASE), utilizing the FTSE/ASE-20 index over the period 1995-2008. We focus on a less developed and efficient stock market, given the existing paucity of research in such markets. The technical rules...

Proponents of Semi strong form of Efficient Market Hypothesis (EMH) claim that security prices fully reflect all publicly available information in a rapid and unbiased manner. Opponents of this Hypothesis question its validity by explaining various anomalies in stock markets. One such anomaly...

We develop an agent-based financial market model in which agents follow technical and fundamental trading rules to determine their speculative investment positions. A central feature of our model is that we consider direct interactions between speculators due to which they may decide to change...

This study seeks to explore, how market efficiency changes, if ordinary traders receive fundamental news more or less often. We show that longer temporal information gaps lead to fewer but larger shocks and a reduction of the average noise level on the dynamics. The consequences of these effects...

This paper tests the validity of Present Value (PV) models of stock prices by employing a two-step strategy for testing the null hypothesis of no cointegration against alternatives which are fractionally cointegrated. Monte Carlo simulations are conducted to evaluate the power and size...

This research represents the union of two main studies: the first one focused on the analysis of the CAPE Ratio, also known as the Cyclically Adjusted Price-Earnings ratio, a valuation measure introduced by the Nobel Prize Robert Shiller, and the second one focused on the predictability of the...

We examine how sell-side equity analysts strategically disclose information of differing quality to the public versus the buy-side mutual fund managers to whom they are connected. We consider cases in which analysts recommend that the public buys a stock, but some fund managers sell it. We...

This paper shows that analysts' herding forecasts are accompanied by significant return reversals of 116 basis points per month, while anti-herding forecasts render reversals insignificant. These results are magnified among illiquid stocks and during high VIX months. Since analyst herding is...

When brokers, analysts and fund managers buy or sell for their own account, they outperform retail investors over short windows up to a month. They earn particularly high abnormal returns when they trade simultaneously with other financial experts and when they trade before earnings...