2,590 research outputs found
The Value of Information in Public Decisions
This paper considers the problem of an imperfectly informed regulator constrained in his choice of environmental regulation by the political opposition of those affected by the policy. We compare the value of two types of information to the regulator: the social cost of pollution and the profitability of firms present in the economy. We find that in environments where small increases in the losses to regulated firms greatly affect the regulator's ability to implement the policy, it is most valuable to learn the types of firms, while it is most valuable to learn the social cost of pollution when small increases in losses are relatively ineffectual.Environmental Policy, Pollution, Optimal Taxation
Urban growth and transportation
We estimate the effects of major roads and public transit on the growth of major cities in the US between 1980 and 2000. We find that a 10% increase in a city’s stock of roads causes about a 2% increase in its population and employment and a small decrease in its share of poor households over this 20 year period. We also find that a 10% increase in a city’s stock of large buses causes about a 0.8% population increase and a small increase in the share of poor households over this period. To estimate these effects we rely on an instrumental variables estimation which uses a 1947 plan of the interstate highway system and an 1898 map of railroads as instruments for 1980 roads.urban growth, transportation, public transport, instrumental variables
Meetings with Costly Participation: An Empirical Investigation
Despite their importance in economic life, meetings with costly participation are little studied. This paper is an empirical analysis of participation at public meetings. We investigate basic and previously unaddressed questions about meetings with costly participation. Who goes? Does attendance vary with observable characteristics? Do meeting attendees represent the interested population? We find that (1), the opinions of participants do not represent the opinions of the entire regulated population, (2) that the opinions of participants are extreme relative to the whole population, (3) that private information does not affect participation decisions in an important way, and (4), that small changes to meeting protocols have the potential to manipulate the sample of participants. These results lay a foundation for the problem of tailoring meeting protocols to achieve particular welfare objectives.
Cost benefit analysis vs. referenda
We consider a planner who chooses between two possible public policies and ask whether a referendum or a cost benefit analysis leads to higher welfare. We find that a referendum leads to higher welfare than a cost benefit analyses in "common value" environments. Cost benefit analysis is better in "private value" environments.Cost benefit analysis, elections, referenda, project evaluation
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Open science and modified funding lotteries can impede the natural selection of bad science.
Assessing scientists using exploitable metrics can lead to the degradation of research methods even without any strategic behaviour on the part of individuals, via 'the natural selection of bad science.' Institutional incentives to maximize metrics like publication quantity and impact drive this dynamic. Removing these incentives is necessary, but institutional change is slow. However, recent developments suggest possible solutions with more rapid onsets. These include what we call open science improvements, which can reduce publication bias and improve the efficacy of peer review. In addition, there have been increasing calls for funders to move away from prestige- or innovation-based approaches in favour of lotteries. We investigated whether such changes are likely to improve the reproducibility of science even in the presence of persistent incentives for publication quantity through computational modelling. We found that modified lotteries, which allocate funding randomly among proposals that pass a threshold for methodological rigour, effectively reduce the rate of false discoveries, particularly when paired with open science improvements that increase the publication of negative results and improve the quality of peer review. In the absence of funding that targets rigour, open science improvements can still reduce false discoveries in the published literature but are less likely to improve the overall culture of research practices that underlie those publications
Local Government Behavior and Property Right Formation in Rural China
Secure land tenure is important to the development process, but China’s rural reforms have so far failed to provide farm households with this security. We examine the political economy of land tenure and find that local governments sacrifice tenure security in the interests of efficiency and equity. Local rent seeking also plays an important role, and is a likely source of the under-development of land rental markets. Our results further suggest that decreases in distortionary taxes and increases in the integrity of elections will lead to more secure tenure and an increased reliance on market land exchange.
The effects of land transfer taxes on real estate markets: Evidence from a natural experiment in Toronto
Taxes levied on the sale or purchase of real estate are pervasive but little studied. By exploiting a natural experiment arising from Toronto’s imposition of a Land Transfer Tax (LTT) in early 2008, we estimate the impact of real estate transfer taxes on the market for single family homes. Our data show that Toronto’s 1.1% tax caused a 15% decline in the number of sales and a decline in housing prices about equal to the tax. Relative to an equivalent property tax, the associated welfare loss is substantial, about 8 in tax revenue. The magnitude of this welfare loss is comparable to those associated with better known interventions in the housing market. Unlike many possible tax reforms, eliminating existing LTTs in favour of revenue equivalent property taxes appears straightforward.Land transfer tax, property tax, land regulation
Boundaries in volatile organic compounds in human breath
Exhaled breath is a rich and complex matrix containing many hundreds of compounds. Every breath offers the potential of a non-invasive measurement of the biochemical processes occurring in the human body and it is this notion that has led to the application of breath analysis for the detection of disease. With the majority of research in the field being focused on the detection of biomarkers, little has been presented on how the seemingly homeostatic matrix of breath varies during the course of normal life events. The research in this thesis describes how a subject’s emotional state, physical state, and daily activities can alter the composition of exhaled breath. [Continues.
Transportation costs and the spatial organization of economic activity
This paper surveys the theoretical and empirical literature on the relationship between the spatial distribution of economic activity and transportation costs. We develop a multi-region model of economic geography that we use to understand the general equilibrium implications of transportation infrastructure improvements within and between locations for wages, population, trade and industry composition. Guided by the predictions of this model, we review the empirical literature on the effects of transportation infrastructure improvements on economic development, paying particular attention to the use of exogenous sources of variation in the construction of transportation infrastructure. We examine evidence from different spatial scales, between and within cities. We outline a variety of areas for further research, including distinguishing reallocation from growth and dynamics
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