When it comes to environmental quality preferences, it is popularly believed that Democrats (and more generally, liberals) are "green" while Republicans" (conservatives) are "brown". Does empirical evidence support this popular belief? We test the hypothesis that regional political...

We investigate the relationships between water quality and socioeconomic factors in California at the county level for the years 1993 to 2006 using 24 water quality indicators coming from seven different types of water bodies. We estimate these relationships using three classes of models: the...

When procurement contracts are incomplete, they are frequently changed after the contract is awarded to the lowest bidder. This results in a final cost that differs from the initial price, and may involve significant transaction costs due to renegotiation. We propose a stylized model of bidding...