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Water Supply: The cost structure of water utilities in Switzerland

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The landfill of Colliare is situated on the left bank of the river « la Venoge », at the place of a former gravel pit in the municipality of Penthaz. It was exploited until 1995 and many different wastes were deposited in it, such as incineration slag of h ...

2011

Chute aerators: Pre-aerated approach flow

Michael Pfister

Long spillways often include more than one chute aerator to assure an appropriate cavitation protection. The first aerator guarantees sufficient bottom air concentration along a limited streamwise distance attributed to deaeration. Further downstream, the ...

2011

Transformation of governance in the water sector: How to measure legitimate, efficient and effective performance?

Matthias Finger, Eva Lieberherr, Andreas Klinke

In the context of liberalization in the public utility sectors, performance criteria have mainly focused on efficiency and effectiveness. However, the realization that restructuring based on the latter criteria has not been consistently successful in the w ...

2010

The facilitation of mini and small hydropower through institutional mechanisms for development

Nicolas Crettenand

Mini and small hydropower is a renewable, clean and efficient resource for the production of mechanical and electrical power. By offsetting thermal generation, it can be a leading technology in climate change mitigation and sustainable development. Small h ...

2010

Transformation of Water Governance: An Analysis of Professionalization in the Swiss Wastewater Sector

Matthias Finger, Eva Lieberherr, Andreas Klinke

In this paper we explore the trend of professionalization, with a focus on autonomization, in the Swiss wastewater sector. The aim is to evaluate the performance of water utilities in terms of legitimacy, efficiency and effectiveness in the context of auto ...

2010

Sensorless Position Detection of a Linear Actuator

Nikola Katic

The goal of the project is to explore the possibility of controlling the speed of the actuator’s moving part without using any sensor. The speed has to be set accordingly to the position of the moving part at specific time. This dependency is fixed and is ...

2009

Bidder Optimal Assignments for General Utilities

Monika Henzinger, Ingmar Weber, Paul David Dütting

We study the problem of matching bidders to items where each bidder i has a general, strictly monotonic utility functions u_{i,j}(p_j) expressing her utility of being matched to item j at price p_j . For this setting we prove that a bidder optimal outcome ...

Springer2009

Water sector evolution scenarios: the case of Europe

Matthias Finger, Patricia Alves Luis Manso

The purpose of this article is to identify possible scenarios for the evolution of the European water supply and sanitation sectors (WSS) in the next 15 years, on the basis of empirical knowledge of its dynamics. These are: tendered market, tendered market ...

2008

Universal Bounds for Asset Prices in Heterogeneous Economies

Semyon Malamud

We establish universal bounds for asset prices in heterogeneous complete market economies with scale invariant preferences. Namely, for each agent in the economy we consider an artiﬁcial homogeneous economy populated solely by this agent, and calculate the ...

2008

The effect of liberalisation on incumbent's innovation

Cátia Alexandra Pereira Felisberto

The network industries have been undergoing a process of reform, where liberalisation is one of the main features. This thesis studies the effect of liberalisation, with and without competition, on the incumbent's incentives to innovate. A model of incumbe ...

EPFL2008