In this paper we discuss two propositions: the supply and demand of knowledge, and network externalities. We outline the characteristics that distinguish knowledge-intensive industries from the general run of manufacturing and service businesses. Knowledge intensity and knowledge specialisation...

The extinction of polar bears by the end of the 21st century has been predicted and calls have been made to list them as a threatened species under the U.S. Endangered Species Act. The decision on whether or not to list rests upon forecasts of what will happen to the bears over the 21st Century....

The paper, mostly empirical in nature, investigates issues on cross-national new information and communication technologies (ICTs) adoption patterns and growth directions. In the period of 2000-2010, a great number of countries underwent substantial changes on the field of ICTs implementation....

This paper develops an endogenous growth model with quality ladders where consumers heterogeneity is assumed and is modelled through non homothetic preferences. We show that in such a model, unlike mainstream quality ladders models, the steady state equilibrium is characterised by a duopoly were...

Das vorliegende Arbeitspapler fasst die Ergebnisse einer im Sommer 1988 durchgeführten schriftlichen Expertenbefragung zu den Bestimmunsfaktoren von Forschung und Entwicklung in der Schweizer Industrie zusammen. Von den 940 beragten Untemehmungen haben 358 Oder ca. 40% geantwortet; sie waren in...

A graph representation of the financial relations in a given monetary structure is proposed. It is argued that the graph of debt-liability relations is naturally organized and simplified into a tree structure, around banks and a central bank. Indeed, this optimal graph allows to perform payments...

The present paper reviews the causes that led to the financial crisis. Unlike other interpretations, this paper does not place main significance on a single source or on a set of causes. I consider all major standpoints highlighted by research and media prior, during and after the financial...

Social well-being is intrinsically multidimensional. Welfare indices attempting to reduce this complexity to a unique measure abound in many areas of economics and public policy. Ranking alternatives based on such measures depends, sometimes critically, on how the different dimensions of welfare...