Impact of regulation on English and Welsh water-only companies: an input-distance function approach

Juin 2017 María Molinos-Senante, Simon Porcher, et Alexandros Maziotis – Environmental Science and Pollution Research Abstract: The assessment of productivity change over time and its drivers is of great significance for water companies and regulators when setting urban water tariffs. This issue is even more relevant in privatized water industries, such as those in England and Wales, where the price-cap regulation…

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The welfare costs of non-marginal water pricing: evidence from the water only companies in England and Wales

Mai 2017 Simon Porcher, Alexandros Maziotis, et Maria Molinos-Senante, Urban Water Journal Abstract: The evaluation of the economic efficiency of regulatory schemes is essential for regulators and utilities. In this study it is analysed for the first time the welfare costs of non-marginal cost pricing in the water supply in England and Wales, by computing the deadweight…

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Analyse économique des clauses environnementales dans la commande publique : Le pire instrument à l’exception de tous les autres ?

25 janvier 2017  Frédéric Marty, Droit de l’environnement Abstract : La première recommandation du rapport du Conseil d’analyse économique rédigé par Stéphane Saussier et Jean Tirole, publié au printemps 2015 était de ramener les finalités de la commande publique à un seul et unique objectif celui de l’efficacité économique. Cette recommandation a pu sembler s’inscrire à…

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Jumps and volatility dynamics in agricultural commodity spot prices

5 janvier 2017 Raphaël Homayoun Boroumand, Stéphane Goutte, Simon Porcher, and Thomas Porcher, Applied Economics Abstract : The spot commodities market exhibits both extreme volatility and price spikes, which lead to heavy-tailed distributions of price change and autocorrelation. This article uses various Lévy jump models to capture these features in a panel of agricultural commodities observed…

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Externaliser la Sécurité et la Défense en France – Le cas des partenariats public-privé

externaliser-la-securite-et-la-defense-en-france

9 novembre 2016 Guillaume Farde, Hermann Ed. Résumé : En France, le souvenir de la bataille de Valmy, couplé à l’instauration d’une conscription maintenue jusqu’en 1996, fonde l’attachement indéfectible du citoyen au caractère essentiellement public des forces de sécurité de la Nation. Il y a là l’origine d’une césure entre les activités mercantiles d’une part,…

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Les partenariats public-prive institutionnalisés : intérêts, limites et risques d’une structure hybride public-privé

3 juin 2016 Julie de Brux et Frédéric Marty, Revue française d’administration publique 2016/1 (N° 157) Résumé : La loi du 1er juillet 2014 créant les sociétés d’économie mixte à opération unique a introduit en droit français la notion européenne de partenariat public-privé institutionnalisé. Ces structures hybrides public-privé visent à répondre aux difficultés induites par les montages…

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Neither Market Nor Hierarchy: Concurrent Sourcing in Water Public Services

2 Juin 2016 Simon Porcher, Journal of Public Administration Research and Theory Abstract : Analytical frameworks of government service contracting decisions typically focus on the make-or-buy decision. In concepts, governments can either produce the service itself (make) or outsource production (buy). However, governments make and buy the same public services, a practice that is termed…

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The law of small numbers: investigating the benefits of restricted auctions for public procurement

29 janvier 2017 Lisa Chever, Stéphane Saussier, and Anne Yvrande-Billon, Applied Economics Abstract : A commonly accepted view in the academic literature is that dispensing with competition may only be beneficial when tendering complex contracts. However, restricted auctions are frequently used among EU member states to procure small contracts. In this article, we investigate this paradox.…

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Asymmetric Evidence of Gasoline Price Responses in France: A Markov-Switching Approach

2 octobre 2015 R.H. Boroumand, S. Goutte, S. Porcher et T. Porcher, Economic Modelling, forthcoming. Abstract: It has been documented that retail gasoline prices respond more quickly to increases in wholesale prices than they do to decreases in wholesale prices. However, there is little empirical evidence that identifies the link between the pass-through of oil prices to gasoline in…

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Hedging strategies in energy markets: The case of electricity retailers

13 août 2015 R.H. Boroumand, S. Goutte, S. Porcher et T. Porcher, Energy Economics, forthcoming. Abstract: As market intermediaries, electricity retailers buy electricity from the wholesale market or self generate for re(sale) on the retail market. Electricity retailers are uncertain about how much electricity their residential customers will use at any time of the day until they actually turn…

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