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A Further Look at Two-way Network Competition in Telecommunications

This paper develops a simple reduced form model of two-way network competition with linear retail pricing. Using the techniques of supermodular games, it is demonstrated that the most important results from the existing literature do not depend on routinely invoked assumptions, such as specific functional forms or the symmetry of the network operators. In particular, it is...

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English / 01/04/2000

Is Swiss Telecommunications a Natural Monopoly? An Evaluation of Empirical Evidence

Based upon time series data published by PTT prior to regulatory reform, this paper investigates whether Swiss telecommunications qualify as a natural monopoly. Employing the subadditivity concept for multiproduct industries, alternative specifications of quadratic cost functions are estimated. The results of these estimations are ambiguous and demonstrate the difficulty of...

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English / 01/04/2000

Ökonometrische Evaluation der arbeitsmarktlichen Massnahmen der Schweiz

Mit der Reform des Arbeitslosenversicherungsgesetzes im Jahre 1996 nahm die Bedeutung der arbeitsmarktlichen Massnahmen (AMM) in der Schweiz stark zu. Die vorliegende Studie ist ein Teilprojekt des gesamtschweizerischen Evaluationsprogramms der AMM, welches durch die Aufsichtskommission des Ausgleichsfonds der Arbeitslosenversicherung im Juli 1997 genehmigt wurde. Da die...

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Deutsch / 01/04/2000

Firm-Specific Training: Consequences for Job Mobility

This paper analyzes the impact of formal training on worker mobility. Using data from the Swiss Labor Force Survey, we find that on-the-job search activities and, to a smaller extent, actual job separations are significantly affected by both employer-provided and general training. Moreover, while the separation probability of searching workers is strongly affected by previous firm-...

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English / 01/03/2000

Does Economics have an Effect? Towards an Economics of Economics

"Due to its formality and highly analytic thinking, economics is often attributed a leading role among the social sciences and a prominent position as contributor to economic or social issues in the real world. Fact is, however, that the empirical proof for such a claim is either missing or anecdotal. This paper aims to outline the “economics of economics”. It...

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English / 01/02/2000

Market Expectations in the UK Before and After the ERM Crisis

The British pound left the ERM on 16 September 1992 after a period of turbulence. UK monetary policy soon shifted to lower short interest rates and an inflation target was announced. This paper uses daily option prices to estimate how the market's probability distribution of the future marks/pound exchange rate and UK and German interest rates changed over the summer and autumn...

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English / 01/02/2000

When do firms benefit from environmental regulations? A simple microeconomic approach to the Porter controversy

Michael Porter and others have recently argued that suitable environmental regulations are likely to induce cost-reducing innovations. We analyze under which conditions such arguments might be consistent with microeconomic analysis, and under which additional conditions the firms' benefits might exceed the costs. It turns out that this requires fairly specific conditions.

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English / 01/01/2000

Seemingly unrelated negative binomial regression

This paper discusses the specification and estimation of seemingly unrelated multivariate count data models. A new model with negative binomial marginals is proposed. In contrast to a previous model based on the multivariate Poisson distribution, the new model allows for over-dispersion, a phenomenon that is frequently encountered in economic count data. Semi-parametric estimation is...

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English / 01/01/2000

Criteria for the future division of labor between private and social health insurance

This article's point of departure is that the individual has to manage three stochastic assets, namely health, wealth, and wisdom (skills), which tend to be positively correlated. It shows that the unexpected components of insurance payments should be negatively correlated for minimizing total asset volatility. The empirical finding is that in the United States, Japan, and...

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English / 01/01/2000

Learning for employment, innovating for growth

We present a model in which workers must be educated to get a good job and firms must innovate in order to increase productivity. Education as well as innovation and production require skilled labor as inputs. This, together with the fact that learning opportunities differ across workers, determine simultaneously the long-run level of skilled employment and the long-run rate of...

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English / 01/01/2000

A simple mechanism for the efficient provision of public goods: experimental evidence

The author reports on a series of experiments designed to investigate the factor of incentive mechanisms in the case of private provisions of public goods. In the Control treatment, there was no mechanism so that subjects faced strong free-riding incentives. In the so-called Falkinger mechanism treatment, the author implemented the Falkinger mechanism. The studies explored the impact...

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English / 01/01/2000

Wage Inequality and Varieties of Capitalism

This article draws on a new data set that enables the authors to compare the distribution of income from employment across OECD countries. Specifically, the article conducts a pooled cross-sectional time-series analysis of the determinants of wage inequality in sixteen countries from 1973 to 1995. The analysis shows that varieties of capitalism matter. The authors find that the...

Institution partenaire

Université de Genève

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English / 01/01/2000

Education, Educational Policy and Growth

This paper reviews the recent theoretical and empirical literature that relates education to growth, and draws some lessons for the Swedish experience. First, the “human capital accumulation” approach is discussed: agents decide, at each moment of their lives, to forego time or resources to improve their future productivity. The quality of the educational system is argued to be a...

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English / 01/01/2000

Chess-like games are dominance solvable in at most two steps

We show that strictly competitive, finite games of perfect information that may end in one of three possible ways can be solved by applying only two rounds of elimination of dominated strategies.

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English / 01/01/2000

“Yes men”, integrity, and the optimal design of incentive contracts

In a pioneering approach towards the explanation of the phenomenon of “yes man” behavior in organizations, Prendergast [American Economic Review 83 (1993) 757–770] argued that incentive contracts in employment relationships generally make a worker distort his privately acquired information. This would imply that there is a trade-off between inducing a worker to exert costly effort...

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English / 01/01/2000

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