The thesis put forward in this paper is that Herbert A. Simon was a distinctive theoretician of decentralized decisional systems alternative to the market, from planning to organizations. This issue emerges from the convergence of four perspectives, each with a different role and influence on...

This paper develops a discussion and provides the basis for a dispute of the principal assumption on which the classical-neoclassical theory of perfect competition is based: is it indeed true that the individual product demand of each producer is perfectly elastic (horizontal) and the price is...

During the second half of the twentieth century economic theory moved increasingly away from price theory, which was gradually displaced by more modern trends such as game theory, decision theory, behavioral-empirical-experimental economics, heterodox economics, etc. This was due to serious...

Portuguese Abstract: Exploramos vários jogos diferenciais para simular a competição entre duas firmas em Preço, Publicidade, e Preço e Publicidade simultâneamente. Os resultados reforçam conclusões importantes na literatura e complementam-na, permitindo analisar a competição em dois...

This paper focuses on Keynes's understanding of individual decision-making under uncertainty and tries to address a question left mostly unexplained in the critical literature. On re-reading Keynes after the recent surge of interest induced by the financial crisis, a number of scholars have...

The emergence of transaction cost economics (TCE) in the early 1970s with Oliver Williamson’s successful reconciliation of the socalled neoclassical approach with Herbert Simon’s organizational theory can be considered an important part of the first cognitive turn in economics. The...

Italian Abstract: L'obiettivo di questo capitolo è il rapporto tra la funzione di costo, che stilizza le ipotesi sui rendimenti di scala, e la funzione d'offerta dell'impresa concorrenziale, singola e aggregata. Useremo la teoria microeconomica standard della produzione allo scopo di...

As paid search becomes the mainstream platform for online advertising today, competition further intensifies. The main objective of this research is two-fold. On the one hand, we want to understand, in the context of paid-search advertising, the effects of competition (measured by number of ads...