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This paper presents a rational reconstruction of Kropotkin's view on human nature, institutional change and economic development. Kropotkin shows that mutual aid among animals as well as in human society is far more important than recognized by contemporary individualist interpretation of Darwinism on society. His major contribution to political economy is that he offers an endogenous model of why institutions exist. However, his biological determinism and ethical naturalism imply that he disregard historical context, which leads him to de facto apply the perspective of historical idealism. The rise of the modern state, for example, he explains by the spread of the "idea of the state" and not by the economic development. Adapted from the source document.

The theory of social choice has recently benefited much from advances within the power index approach in game theory. One may start from the classical Wicksell framework of a unanimity regime & proceed to state the advantages of deviations from his model. A case can be stated for quantitative voting using some majority voting scheme, as it empowers the choice participants, also providing for blocking power. The power distinctions generated from the power index framework may be applied to the institutional evolution of the Council of Ministers with the EC or EU. It allows one to state in a concise manner the comparative advantages & disadvantages of alternative regimes for the European Community or Union. Tables, Figures, Appendixes, References. Adapted from the source document.

The new technological advances have brought a revolution on how economic agents interact with society and markets. Nowadays, the use of virtual currencies is more frequent in the financial transactions and bitcoin has been defined as the most important world cryptocurrency due to its high market capitalization and its technological infrastructure. Several studies have been conducted to discuss bitcoin advantages and disadvantages; however, few papers in literature have examined its connection and influence on the stock market. The objective of this paper is precisely cover this gap. Firstly, by providing tools and concepts to understand bitcoin's dynamic, and then determining its relationship with stock market indexes. In that context, this manuscript examines the definition and function of bitcoin in the global world and its presence in Ecuador. Besides, exploratory and visual analyses are provided using the evolution of bitcoin and other market indexes. Finally, a linear correlation is computed between bitcoin, other cryptocurrencies, stock exchange indexes and commodities. The results in this study, employing visual and statistical analyses, demonstrated that bitcoin has: a strong relationship with other cryptocurrencies; a lineal correlation, not as strong as the previous one, with the main stock market indexes; and no linear correlation with commodities.