Simulating the Case against Stock Picking

Distribution of Individual Stock Performances in a Mutual Fund and the Fund Manager’s Stock Picking Ability

We find that the performance distribution of the individual stocks inside a mutual fund can toss out additional information about the fund manager’s stock picking ability. When a mutual fund contains mostly mediocre-performing stocks but one super-performer, it is likely that the overall fund performance, albeit good, would be due to luck. On the other hand, a fund that has a larger number of a...

Stock Picking, Industry Picking and Market Timing in Sell-Side Research

Sell-side analysts employ different benchmarks when defining their stock recommendations. For example, a ‘buy’ for some brokers means the stock is expected to outperform its peers in the same sector (“industry benchmarkers”), while for other brokers it means the stock is expected to outperform the market (“market benchmarkers”), or just some absolute return (“total benchmarkers”). We use these ...

conditional copula-garch methods for value at risk of portfolio: the case of tehran stock exchange market

ارزش در معرض ریسک یکی از مهمترین معیارهای اندازه گیری ریسک در بنگاه های اقتصادی می باشد. برآورد دقیق ارزش در معرض ریسک موضوع بسیارمهمی می باشد و انحراف از آن می تواند موجب ورشکستگی و یا عدم تخصیص بهینه منابع یک بنگاه گردد. هدف اصلی این مطالعه بررسی کارایی روش copula-garch شرطی در برآورد ارزش در معرض ریسک پرتفویی متشکل از دو سهام می باشد و ارزش در معرض ریسک بدست آمده با روشهای سنتی برآورد ارزش د...

When is Stock Picking by Mutual Funds Successful?

Simulating Artificial Stock Markets with Efficiency

Stock markets have been studied for years in economy and finance academic departments by relying on the idea of a general homo economicus that makes rational choices. Classical approaches use equational representation to enable a global markets characterization, but they fail to explain the link between individual behaviours and the global market dynamic and trends that emerge. Schelling semina...