Recent empirical studies have demonstrated long-memory in the signs of orders to buy or sell in financial markets. We show how this can be caused by delays in market clearing. Under the common practice of order splitting, large orders are broken up into pieces and executed incrementally. If the...

Modern portfolio theory produces optimal portfolios from estimates of expected returns and a covariance matrix. Such optimal portfolios are efficient portfolios, that is they provide the maximum level of expected return for a given level of risk. We present a method for portfolio selection based...

The article investigates the use of adaptive learning algorithms in constructing dynamic portfolios replicating the return characteristics of a given hedge fund. The emphasis is on out of sample conditional predictive capabilites as necessary to serve as a valuable risk management tool, rather...

A new relationship is derived for net present value (NPV) per dollar invested that is composed entirely of interest rates. The rates are mark-ups to the cost of capital, each mark-up being an internal rate of return (IRR) embedded in the complex plane. The result has been shown before, but only...

In the article the two approaches to the market's valuation are considered. The first one is based on using of the model of alternative investments, which is the second approximation for the Fed's model. The role of the model of alternative investments has increased for last 25 years since it...

In the article it is shown that year-to-year change of the Samp;P 500 does not depend on profits cycle. On the other hand, year-to-year change of earnings multiple P/E tends to anticorrelate with profits cycle. It shows sluggishness of market response in relation to profits cycle. It is shown...

This paper tells the story of a student of economics and finance who meets a couple of alleged psychopaths, suffering from the 'syndrome of Zelig', so that they think of themselves to be experts of economic and financial issues. While speaking, they come across the concept of excess profit. The...