This paper addresses model design and data-related issues pertaining to the use of risk assessment models in support of conflict early warning systems. The paper first examines the data needed for risk assessment models. It argues that there are actually two types of data that we must collect...

Sociological approaches to social change have evolved in three typical forms: the discourse of progress in the period of classical sociology, the discourse of crisis characteristic for the middle of the XXth century, and the discourse of trauma, which seems to emerge at the end of the XXth...

In dem folgenden Papier werden Entwicklungen der Erwerbsarbeit in der Bundesrepublik Deutschland seit der Nachkriegszeit aufgezeigt, die vom „Normalarbeitsverhältnis zur Flexibilisierung“ führen. Aufgezeigt wird auch, wie diese Entwicklungen in der politischen Debatte um die...

This documentation provides an overview of the Kaisha Database, a database consisting of annual accounts data of Japanese manufacturing firms. The documentation is aimed at enabling the researcher interested in the database to work independently. The structure as well as the procedures used to...

Der Blick auf Japan und die Beschäftigung mit japanischen Unternehmen war in der Vergangenheit oft gekennzeichnet durch eine unzureichende Erfassung japan-spezifischer Besonderheiten. Das Paper stellt auf der Grundlage der Kaisha-Datenbank Methodiken vor, mit denen die Strukturen japanischer...

This paper develops a framework for testing discrete complementarities in innovation policy using European data on obstacles to innovation. We propose a discrete test of supermodularity in innovation policy leading to a number of inequality constraints. We apply our test to two types of...

This paper develops a unifying framework to understand competition issues in network industries. It focuses on the telecom(munication) industry and takes two specific effects of this industry into account. First, the telecom industry is in continuous evolution and alliances affect not only the...

This paper investigates the effects of industry-wide unions and employers. associations in a duopolistic industry. Using an efficient bargaining model, we show that it is profitable for workers to form an industry union if firms produce goods that are substitutes. In our model industry-wide...

This paper proposes a simultaneous-equation approach to the estimation of the contribution of infrastructure accumulation to private production. A political-economy model for the allocation of public infrastructure investment grants is formulated. Our empirical findings, using a panel of large...

In this paper, we analyse the scope for conflict between national merger control agencies which assert jurisdictions simultaneously. We consider a positive model of merger control in which market definition and the analysis of dominance are both explicitly specified. We find that conflict in...