Toll Index May 2018 – keep calm and drive on

The Toll Index has been widely covered in national and international press (selection):

 

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IDSC of IZA Workshop: Matching Workers and Jobs Online – New Developments and Opportunities for Social Science and Practice

Peter Kuhn and I have put together a workshop on “Matching Workers and Jobs Online – New Developments and Opportunities for Social Science and Practice”. Check out the program.

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Selfish altruism, fierce cooperation and the predator

This paper suggests a new way to think about a famous question: what explains cooperation in nature and in particular in humans? I argue that, for an evolutionary biologist as well as a quantitative social scientist, the triangle of two ‘teammates’ in the presence of a predator (passing and shooting in two-on-one situations) is one of the fundamental conceptual building-blocks for understanding these phenomena because in such a situation the fact that life is packaged in many distinct enclosures (and not in one big monolithic blob) can unfold its comparative advantage. I show how, in the presence of a predator, cooperative equilibria emerge among entirely selfish teammates if we infinitesimally bias the lead player in the selfish direction or assign a computational burden on the predator due to the presence of a teammate. I argue that ‘predators’ are common in the biological jungle but also in everyday human settings. Intuitively, this paper builds on the simple idea – a familiar one to a biologist observing the natural world but perhaps less so to social scientists – that everybody has enemies.

 

The paper is available at the Journal of Biological Dynamics.

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Toll Index April 2018 – Growth ceiling?

The data is available at the Data Repository of the IDSC – Research Data Center of IZA. The paper we first studied the properties of these data is published at the Journal of Forecasting.

The Toll Index has been widely covered in national and international press (selection):

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