This paper analyzes the effects of additional information in a life insurance market under adverse selection. Individuals have an incentive to acquire information about their risk type if their informational status cannot be observed by insurers. In aggregate, however, the existence of a testing opportunity has an effect on the equilibrium premium. We describe the conditions under which, from a...

In a continuous-time economy with complete markets, we show how the heterogeneity in the individual consumers’ risk attitudes and impatience would affect the representative consumer’s counterparts. Specifically, our formulas tell us how his risk tolerance and impatience will change over time, and how his impatience will be affected by the changes in aggregate consumption levels. Under the assum...

We consider allocation problems with indivisible goods when agents’ preferences are single-peaked. Two natural procedures (up methods and temporary satisfaction methods) are proposed to solve these problems. They are constructed by using priority methods on the cartesian product of agents and integer numbers, interpreted either as peaks or opposite peaks. Thus, two families of solutions arise t...

This paper discusses a novel approach to elicit people’s preferences for public goods, namely the life satisfaction approach. Reported subjective well-being data are used to directly evaluate utility consequences of public goods. The strengths of this approach are compared to traditional approaches and identification issues are addressed. Moreover, it is applied to estimate utility losses cause...

An open puzzle for climate-policy analysis is how policies could be made sensitive to climate change impacts spanning over centuries while keeping the shorterterm macroeconomic policies connected to the descriptive facts. We develop a tractable general-equilibrium model for climate-economy interactions with timedeclining pure discounting. The model resolves the puzzle: preferences over longterm...

صخلملا A total of 48 fresh water fishes, belonging to four species of the family Cyprinidae (Capoeta trutta, Chalcalburnus mossulensis, Cyprinion macrostomum and Leuciscus lepidus) were collected from Darbandikhan lake, southwest Sulaimaniya city, Kurdistan region, in the north of Iraq, from March to the end of July 2008. The inspection of gills revealed the infection of these fishes with four ...

Monetary valuation of environmental change is useful if one aims to rank alternative projects according to some specific social welfare function. However, if the project analysis is intended as background information to a democratic debate, the advantages of monetary valuation are less obvious. This paper analyzes aggregation of information, taking normative disagreement explicitly into account...

We study top trading cycles in a two-sided matching environment (Abdulkadiroglu and Sonmez (2003)) under the assumption that individuals’ preferences and objects’ priorities are drawn iid uniformly. We show that the number of individuals/objects assigned at each round follows a simple Markov chain and we explicitly derive the transition probabilities. This Markov property is used to shed light ...

Do mandatory spending programs such as Medicare improve efficiency? We analyze a model with two parties allocating a fixed budget to a public good and private transfers each period over an infinite horizon. We compare two institutions that differ in whether public good spending is discretionary or mandatory. We model mandatory spending as an endogenous status quo since it is enacted by law and ...

This paper has a twofold objective. First, we develop a new method to assess the monetary value for individuals of external effects. The method makes use of an ordinal index of life satisfaction as scored by individual respondents who are subjected in varying intensity to the external effect. Our second objective is to assess, with this method, to what extent noise nuisance effects around Amste...