The ultimate test of any forecast is whether or not it is capable of predicting future events accurately. Planners and decision makers have a wide choice of ways to forecast, ranging from purely intuitive or judgemental ...

Today there is growing criticism of the Input/Output (I/O) model as a conceptual tool for explaining and understanding how systems are functioning. These models have been particularly useful-mainly in engineering, where ...

In classical statistics, inferences about the popula- tion mean, confidence intervals, or testing of hypoth- eses are based on the sampling distribution of X. For the statistician or the mathematically sophisticated, there ...

Η αλήθεια για τις δυνατότητές και την πραγματική κατάσταση της οικονομίας μας, ταυτίζεται με το συμφέρον του Έθνους" ετόνισε ο Πρόεδρος της Συντονιστικής Επιτροπής Προβολής Ελληνικής Οικονομίας Καθηγητής κος Σταύρος Κατράκης ...

Είναι γνωστό άπό πολύ παληά , ότι ύπάρχει μία στενή σχέση άνάμεσα στόν όνθρωπο (η σέ γενικώτερο έπίπεδο ώς άνθρώπινη κοινωνία) καί στό περιβάλλον, στό όποίο ζεί και κινείται και έπομένως μία άμοιβαία έπίδραση τού ένός ...

Global inflationary trends have for many decades eroded the purchasing power of money and have become embodied in the structure of security yields. This article explores the uses of various data formats to represent ...

Are the costs of time arid effort spent on analyzing decisions outweighed by benefits? This issue was examined in the context of a competitive business game where human teams were pitted against two kinds of simple-minded ...

The purpose of this article is to deal directly and explicitly with the issues and problems currently facing forecasting, planning and strategy and to discuss how the challenges of the 1980s can be realistically and ...

Statistical forecasting is based on the assumption of constancy, or structural ability in the data. This paper argues that such an assumption might not always be realistic in real life forecasting situations. Unfortunately, ...

The formal practice of forecasting and planning (F&P) has risen to prominence within a few decades and now receives considerable attention from both academics and practitioners. This paper explicitly recognizes the nature ...

ln the last few decades many methods have become available for forecasting. As always, when alternatives exist, choices need to be made so that an appropriate forecasting method can be selected and used for the ...

How successful have economists and other business forecasters been in predicting recessions? This question is of considerable practical value since the level of economic activity greatly influences budgets and other plans ...

In the last few decades many methods have become available for forecasting. As always, when alternatives exist, choices need to be made so that an appropriate forecasting method can be selected and used for the specific ...

A crucial question to anyone engaged in analysing the inflationary process in a country, is how much has the Government contributed to the generation and maintenance of the high demand pressures. The creation of demand ...

Aggregating information by combining forecasts from two or more forecasting methods is an alternative to using just a single method. In this paper we provide extensive empirical results showing that combined forecasts ...

In 1982, the Journal of Forecasting published the results of a forecasting competition organized by Spyros Makridakis (Makridakis et al., 1982). In this, the ex ante forecast errors of 21 methods were compared for forecasts ...

An altemative to using a single forecasting method is to average the forecasts obtained from several methods. In this paper we investigate empirically the impact of the number and choice of forecasting methods on the ...

The crucial questions which center monetary analysis are : What determines the money supply? Can the Central Bank act to influence that supply? If yes, how? These questions have generated a good deal of controversy in the ...

Σ' οποιονδήποτε ζει ή ταξιδεύει στην Ελλάδα δίνεται σuχνά η ευκαιρία να διαπιστώσει με τα ίδια του τα μάτια τις διαφορές στο επίπεδο ζωής μεταξύ αστικών και αγροτικών περιοχών αφ' ενός και μεταξύ τη ς Αθήνας και όλης της ...

In the Debt Dilemma of Developing Nations, Chris Carvounis provides an insightful overview of the external debt problems currentrly plaguing a number of developing countries. The book is neiher comprehensive in tits handling ...