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ON THE LOGIC OF NATIONALITY STUDIES

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EN
Analyses of nationality problems in today's world more and more often rely on data which are tendentiously untrue, one-sided and conceal numerous facts, usually in compliance with supranational interests of the superpowers and corporations. Scientific apparatus, though increasingly sophisticated, becomes defenseless in such circumstances. It seems therefore that the only way to study those problems is by means of political science speculations at most backed up by the theory of games or descriptions of different discourses devoid of any assessment.
Studia Psychologica
|
2012
|
vol. 54
|
issue 2
143 - 156
EN
The task of this experimental study is to examine the existence of an effect of learning when initial and further encounters (i.e., iterated games) with undisclosed predetermined strategies are compared. This is one of the first systematic empirical studies of the inter-game learning in the Prisoner’s Dilemma game. Effect of learning in terms of higher gains in repeated encounters was found for the whole set of five strategies taken together (Tit for Tat, Deterrent, Bully, Benevolent and Random), and individually for three of the strategies employed (Tit for Tat, Deterrent, and Bully). We also tested whether there was an effect of learning both in women and in men as a group. 45 subjects (18 males, 27 females) participated in the study each subject played 15 iterated games of at least 30-trial duration.
EN
In the paper we consider a role which a matrix plays in the educational process of students of economics (as a notion, a symbol of a mathematical operation as well as a numerical tool). We remind that matrices and determinants appear systematically in courses of mathematics and related subjects. They help to model and solve various significant problems of econometrics (wide sense) and operation researches. It is worth noting, howe-ver, that we make use of matrix notation in our lectures on microeconomics and macroeconomics. The paper initiates the series of three 'didactical' articles devoted to matrices. So it also plays a role of some kind of introduction to the subject. The article may be divided, in a natural way, into two parts, different in character. At the beginning we show and shortly discuss - in an informal manner - selected problems in which matrices 'work'. The second part is quite different: it is much more formalized. The examples we describe in that segment are formulated in the mathematical language. Intentionally, we have chosen elementary facts taken from standard programmes of 'math' for students of economics. According to the plan, we collect them and place under unified label 'Matrices'. We also have announced some themes which will be considered in the following articles of the series.
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