In this paper, we investigate the adequacy of scaling, a method frequently used in estimation of standard deviation of stock returns. Scaling is based on the assumption that standard deviation is proportional to the square root of the length of the time interval of the sample (for example daily,...

We present results of an analysis and comparison of 46 studies (54 economic surveys) on capital budgeting methods for investment projects evaluation with emphasis on trends in application from 70s till present. We focus on three methods: net present value method, internal rate of return and...

Functional Signal plus Noise (FSN) time series models are introduced for the econometric analysis of the dynamics of a large cross-section of prices in which contemporaneous observations are functionally related. A semiparametric FSN model is developed in which a smooth, cubic spline signal...