Psychiatry is going through a deep crisis, both as a scientific discipline as a medical speciality. In the present paper we consider in length what we consider to be the three aspects that could explain the situation: the recurring disappointment in classification; the persistence of dualistic perspectives in research; and third, the continuing of a localizacionism inadequate to explain normal ...

An original equipment manufacturer (OEM) who adopts a new technology or component product may bring various externalities to other OEM buyers and incentivize them to make similar adoption decisions. Positive correlation of adoptions can be harmful for the seller and buyers, as it can lead to adoption rush or delay, which results in demand-supply mismatch and may undermine the seller’s ability t...

Consider a dominant manufacturer wholesaling a product to a retailer, who in turn retails it to the consumers at $p/unit. The retail-market demand volume varies with p according to a given demand curve. This basic system is commonly modeled as a manufacturer-Stackelberg ([mS]) game under a “deterministic and symmetric-information” (“det-sym-i”) framework. We first explain the logical flaws of t...

In this paper, a three-echelon supply chain , including two producers, distributor and retailer who produce products in different brands have been considered. Any manufacturer, has a separate channel and the exclusive retailer offers their products, which have been prepared from the distributor (exclusive market) with discount or other manufacturer. In this paper pricing decisions on substitute...

As Director of the Office of Scientific Research and Development, Dr. Vannevar Bush has coordinated the activities of some six thousand leading American scientists in the application of science to warfare. In this significant article he holds up an incentive for scientists when the fighting has ceased. He urges that men of science should then turn to the massive task of making more accessible o...