Online review aggregators, such as TripAdvisor, HotelClub and OpenTable help consumers identify the products and services that best match their preferences. The goal of this study is to understand the impact of online review aggregators on firms and consumers. We adopt Salop’s circular city...

This study investigates the effects of the provision of costly initiatives on policy efficiency in a laboratory experiment where a policy setter implements a status quo affecting the utility of the constituency. I vary treatments regarding the political institution (either purely representative...

The problem of global climate change presents overwhelming factual, analytical, and normative challenges. Nordhaus surveys this terrain bravely and mostly successfully. He explains the scientific/economic consensus that the planet is warming, that people are responsible, that the consequences...

Using official data this paper evaluates India's National Rural Employment Guarantee Scheme (NREGS) according to four criteria a) average number of days of employment per household, b) percentage of households completing 100 days of employment under NREGS, c) percentage of expenditure against...

Based on a contingent valuation study in Shanghai the authors assess people’s willingness to contribute personally to the alleviation of environmental problems occurring in distant parts of the country. One split of survey assessed Shanghai residents’ willingness to pay for the preservation...

Online review aggregators, such as TripAdvisor, HotelClub and OpenTable help consumers identify the products and services that best match their preferences. The goal of this study is to understand the impact of online review aggregators on firms and consumers. We adopt Salop's circular city...

We present a new model for cost sharing in minimum cost spanning tree problems, so that the planner can identify the agents that merge. Under this new framework, and as opposed to the traditional model, there exist rules that satisfy merge-proofness. Besides, by strengthening this property and...

The author investigates the welfare cost of business cycles in an economy where households have heterogeneous trading technologies. In an economy with aggregate risk, the different portfolio choices induced by heterogeneous trading technologies lead to a larger consumption inequality in...

Assume that government maximizes the well being of its citizens subject to technological, political, and informational constraints. How should equilibrium be perturbed so that equilibrium post-perturbation quantities satisfy new exogenously-specified bounds? We prove an intervention principle...

The significance of population monotonicity and welfare bounds is well-recognized in the fair division literature. We characterize population monotonic and incentive compatible mechanisms which allocate the goods efficiently and respect a welfare lower bound chosen in the fair allocation problem...