This discussion paper has resulted in a publication in the <A href="http://aa4pq3kw5l.search.serialssolutions.com/directLink?&atitle=Economics%3A%20An%20Emerging%20Small%20World&author=Sanjeev%20Goyal%3B%20Marco%20J%20van%20der%20Leij%3B%20José%20Luis%20Moraga%2DGonzález&issn=00223808&title=The%20Journal%20of%20Political%20Economy&volume=114&issue=2&date=20060401&spage=403&id=doi:&sid=ProQ_ss&genre=article&lang=en">'Journal of Political Economy'</A>.<P>This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period...</p></a>

This paper extends the static analysis of oligopoly structure into an infinite-horizon setting with sunk costs and demand uncertainty. The observation that exit rates decline with firm age motivates the assumption of last-in first-out dynamics: An entrant expects to produce no longer than any...

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See also the article 'Mean and bold: on separating merger economies from structural efficiency gains in the drinking water sector' 2010, <I>The Journal of the Operational Research Society</I>, 61, 222-34.<P> The Dutch drinking water sector experienced two drastic changes over the last 10 years. Firstly,...</p></i>

We develop a new perspective on the boundary of the firm that is consistent with the empirical observation that the share of entrepreneurs first decreases and then increases in the course of economic development. Existing theory based on transaction costs is difficult to relate to these...

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