It is well known that the rock-paper-scissors game has no pure saddle point. Weshow that this holds more generally: A symmetric two-player zero-sum game hasa pure saddle point if and only if it is not a generalized rock-paper-scissors game.Moreover, we show that every finite symmetric...

The Swiss Banking Institute of theUniversity of Zurich carried out a writtenquestionnaire (1391 questionnaires weredistributed in April 2007) to find out whereindependent asset managers (IAMs) in Switzerlandsee the problems and challenges oftheir industry both today and in the futureand the...

Virtual Communities (VCs) offer ubiquitous access to information and exchange possibilities for people in similarcircumstances. This is especially valuable for patients with chronic / life-threatening diseases as they exhibit strongneeds for information and interaction.[...]

The focus of this paper is the evaluation of a very popular method for potential output estimation and medium-term forecasting the production function approachin terms of predictive performance. For this purpose, a forecast evaluation for the three to five years ahead predictions of GDP growth...

According to economic theory, imbalances in trade flows affect transport prices because (some) carriers have to return without cargo from the low demand region to the high demand region. Therefore, transport prices in the high demand direction have to exceed those in the low demand direction....