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Working Paper
Effects of State Taxation on Investment: Evidence from the Oil Industry
We provide theoretical and empirical evidence that firms do not in general respond equally to changes in prices and taxes in the setting of oil well drilling in the United States. Our key theoretical contribution is that in a multi-state model, a change in output price changes both the benefit and opportunity cost of drilling, whereas a change in a state tax rate only changes the benefit of drilling in that state. Thus, a firm responds more to a change in tax than a change in price. Our econometric results support this theoretical prediction. We find that a one dollar per barrel increase in ...
Discussion Paper
Can Community Development Improve Health? Emerging Opportunities for Collaboration between the Health and Community Development Sectors
The two sectors of community development and health have long worked in the same neighborhoods, but they have not always worked together. This is starting to change, due in part to a growing recognition among health experts of the social, economic, and environmental factors that drive health outcomes. These social determinants of health have become the basis for new collaborations between community development and health professionals. This paper introduces professionals in both sectors to this emerging area of practice through a series of case studies of innovators in the southeastern United ...
Working Paper
How Much Does Racial Bias Affect Mortgage Lending? Evidence from Human and Algorithmic Credit Decisions
We assess racial discrimination in mortgage approvals using new data on mortgage applications. Minority applicants tend to have significantly lower credit scores, higher leverage, and are less likely than white applicants to receive algorithmic approval from race-blind government automated underwriting systems (AUS). Observable applicant- risk factors explain most of the racial disparities in lender denials. Further, we exploit the AUS data to show there are risk factors we do not directly observe, and our analysis indicates that these factors explain at least some of the residual 1-2 ...
Working Paper
Semi-Parametric Interpolations of Residential Location Values: Using Housing Price Data to Generate Balanced Panels
We estimate location values for single family houses by local polynomial regressions (LPR), a semi-parametric procedure, using a standard housing price and characteristics dataset. As a logical extension of the LPR method, we interpolate land values for every property in every year and validate the accuracy of the interpolated estimates with an out-of-sample forecasting approach using Denver sales during 2003 through 2010. We also compare the LPR and OLS models out-of-sample and determine that the LPR model is more efficient at predicting location values. In a balanced panel application, we ...
Working Paper
Effects of Gentrification on Homeowners: Evidence from a Natural Experiment
A major overhaul of the property tax system in 2013 in the city of Philadelphia has generated significant variations in the amount of property taxes across properties. This exogenous policy shock provides a unique opportunity to identify the causal effects of gentrification, which is often accompanied by increased property values, on homeowners’ tax payment behavior and residential mobility. The analysis, based on a difference-in-differences framework, suggests that gentrification leads to a higher risk of delinquency on homeowners’ tax bills on average, but there was no sign of a ...
Working Paper
Financial Innovations and Issuer Sophistication in Municipal Securities Markets
When local governments default or file for bankruptcy, it is often because public officials misunderstood the risks associated with innovative financial products. If unsophisticated municipal bond issuers were to widely adopt a high risk financial product, this could harm taxpayers and investors, as well as destabilize the financial system. This analysis uses municipal bond issuers? total debt outstanding as a proxy for their sophistication and investigates the relationship between sophistication and adoption of financial innovations. Using comprehensive data on securities issued between 1992 ...
Working Paper
Assessment Frequency and Equity of the Real Property Tax: Latest Evidence from Philadelphia
Philadelphia’s Actual Value Initiative, adopted in 2013, createsa unique opportunity for us to test whether reassessments at short intervals to true market value and taxing by such values improve equity. Based on a difference-in-differences framework using parcel-level data matched with transactions in Philadelphia and 15 comparable cities, this study finds positive evidence on equity outcomes from more regular revaluations. The quality of assessment, as measured by the coefficient of dispersion, improves substantially after 2014, although the extent of improvement varies across ...
Working Paper
Time-Geographically Weighted Regressions and Residential Property Value Assessment
In this study, we develop and apply a new methodology for obtaining accurate and equitable property value assessments. This methodology adds a time dimension to the Geographically Weighted Regressions (GWR) framework, which we call Time-Geographically Weighted Regressions (TGWR). That is, when generating assessed values, we consider sales that are close in time and space to the designated unit. We think this is an important improvement of GWR since this increases the number of comparable sales that can be used to generate assessed values. Furthermore, it is likely that units that sold at an ...
Working Paper
How Much Does Racial Bias Affect Mortgage Lending? Evidence from Human and Algorithmic Credit Decisions
We assess racial discrimination in mortgage approvals using new data on mortgage applications. Minority applicants tend to have significantly lower credit scores, higher leverage, and are less likely than white applicants to receive algorithmic approval from race-blind government automated underwriting systems (AUS). Observable applicant- risk factors explain most of the racial disparities in lender denials. Further, we exploit the AUS data to show there are risk factors we do not directly observe, and our analysis indicates that these factors explain at least some of the residual 1-2 ...