Vdol' polârnyh" okrain" Rossìi: putešestvìe Nordenšel'da vokrug" Evropy i Azìi v" 1878-1880 gg.

Lisäpainokset: 4. izd. 1898.

Vergleichende Karte mit Linien gleicher magnetischen Declination für die Epoche 1880,0 = Carte comparative des lignes d'égale déclinaison magnétique, pour l'an 1880,0

Kartta kuuluu A. E. Nordenskiöldin kokoelmaan

Isogonen und isoclinen Karte des europäischen Russlands für die Epoche 1880. o.

Kartta kuuluu A. E. Nordenskiöldin kokoelmaan

Avaliando os impactos microeconômicos das fusões e aquisições nas indústrias de energia no mundo: uma análise para a década de 90

Microeconomic impacts of the mergers and acquisitions of energy industries in the World: an analysis for the 1990's. The energy industries have witnessed a significant growth of global mergers and acquisitions (M&A´s) process in the 1990´s. According to Unctad statistics, the total amount of global M&A deals (domestic and cross borders) on the electric, oil and gas sectors has recorded US$ 329 billions on the 1990-1999 period. The present paper sheds light on M&A process occurred on the energy industries during this period and, based on a sample of 248 transactions carried out by 18 big energy enterprises, develops an empirical microeconomic analysis about the impacts of these transactions over the performance of the firms involved. Overall, the results show significant improvements on the firms' performance after M&A operations, regarding the following variables: sales, net profits, assets, dividends, and, to a less extent, the ratio (net profits/sales).

O avanço do processo de matematização na academia brasileira de economia desde a década de 1980

Looking at the economic discourse, we try to study in this article how has mathematization in economics advanced in Brazil in the last three decades. To see this, we have classified into several categories all articles published in three major economic journals of the country (Revista Brasileira de Economia, Estudos Econômicos and Revista de Economia Política) and the publications made in the meetings ANPEC from 1981 to 2010, according to the type of argument used. The total of articles analyzed adds up to 5.733. We try to see how the path of economic discourse, making it more mathematical, did develop. We found that there was an increased use of a formalized language from the mid-1990s onwards. Finally, to confirm our findings, we focus on the process of mathematization through the observation of quantitative variable: equations per article.