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This paper clarifies Gilbert Simondon's notion of information by presenting the historical-epistemological context from which it emerges, as well as the solutions it presents to the conceptual problems of the time. I give special attention to the conceptualizations proposed by cybernetics, information theory, and biology. In addition, the conceptual changes of Simondon's notion of information are analyzed in accordance to three of the main moments of his thought (classified by Juan Manuel Heredia): a) 1944-1958, b) 1959-1968, and c) 1968-1983. This gives a fuller sense to the meaning of information in Simondon's work. [ABSTRACT FROM AUTHOR]

This document explores various information theoretical concepts initially developed in physics and engineering and used today in many other fields. Information is defined as a quantity inversely proportional to the probability that an event happens and entropy is defined as the expected value of information. Some information applications in economics include Theil's inequality index, Akaike's information criterion, and the maximum entropy estimation method. Also, information theoretical concepts have been applied to the statistical analysis of financial data. This paper includes an empirical illustration relating to stock market price forecasting. [ABSTRACT FROM AUTHOR]