This paper proposes a class of estimators for population correlation coefficient when information about the population mean and population variance of one of the variables is not available but information about these parameters of another variable (auxiliary) is available, in two phase sampling...

Purpose – In recent years, equity premiums have been unusually large and efforts to forecast them have been largely unsuccessful. This paper presents evidence suggesting that artificial neural networks (ANNs) outperform traditional statistical methods and can forecast equity premiums...

Polarica is a company in northern Europe buying, refining and selling wild berries and other specialty foods. During the last couple of years the volume of wild berries, mostly blueberries, has increased a lot. This expansion forces Polarica to consider investments in freezing‐in capacity and...

Purpose – We know that estimates of terminal value of long‐term investment horizons are biased. Unbiased estimates exist only for investment horizon of one time‐period. The purpose of this paper is to suggest a method based on the arithmetic mean in order to obtain unbiased estimates for...