Preface -- Yemen: Qat and Water -- Arabia Felix -- A Parched Village -- A Legendary Dam -- Old City -- Roots of a Crisis -- Perverse Policies -- Dilemmas of Qat -- Excursions in History -- Markets for the Leaf -- In the Crux Who Pays? -- The Development Bargain -- Estonia: Shaping Freedom -- On...

The aim of this paper is to analyze the licensing of the telecommunication spectrum as a public good and the search for equilibrium prices through bilateral bargaining and multilateral bidding. It develops a general model of price setting under dynamic uncertainty and applies it to the Italian...

This study develops a model of social supply, based on the hypothesis that society desires that efficient producers remain in business even if their enterprise is too small to withstand the losses caused by extreme price declines. The analysis shows that this concept can be linked to the desire...

In this paper we model concession contracts between a public and a private party, under dynamic uncertainty arising both from the volatility of the cash flow generated by the project and by the strategic behaviour of the two parties. Under these conditions we derive three notions of equilibrium...