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Working Paper
Do Stay-at-Home Orders Cause People to Stay at Home? Effects of Stay-at-Home Orders on Consumer Behavior
We link the county-level rollout of stay-at-home orders to anonymized cellphone records and consumer spending data. We document three patterns. First, stay-at-home orders caused people to stay at home: county-level measures of mobility declined by between 9% and 13% by the day after the stay-at-home order went into effect. Second, stay-at-home orders caused large reductions in spending in sectors associated with mobility: restaurants and retail stores. However, food delivery sharply increased after orders went into effect. Third, there is substantial county-level heterogeneity in consumer ...
Working Paper
Closing the Gap: The Impact of the Medicaid Primary Care Rate Increase on Access and Health
The difficulties that Medicaid beneficiaries face accessing medical care are often attributed to the program?s low reimbursement rates relative to other payers. There is little evidence, however, as to the actual effects of Medicaid payment rates for providers on access and health outcomes for beneficiaries. In this paper, we exploit time-series variation in Medicaid reimbursement rates primarily driven by the Medicaid fee bump?a provision of the Affordable Care Act mandating that states raise Medicaid payments to match Medicare rates for primary care visits for 2013 and 2014?to quantify the ...
Newsletter
Check Up Before You Check Out
Retail clinics offer convenient, low-cost preventive health care and treatment for minor injury and illness. When a retail clinic opens, the rate of visits to the emergency room for these low-severity conditions declines for people who live in close proximity.
Working Paper
The Impact of Car Pollution on Infant and Child Health: Evidence from Emissions Cheating
Car exhaust is a major source of air pollution, but little is known about its impacts on population health. We exploit the dispersion of emissions-cheating diesel cars?which secretly polluted up to 150 times as much as gasoline cars?across the United States from 2008-2015 as a natural experiment to measure the health impact of car pollution. Using the universe of vehicle registrations, we demonstrate that a 10 percent cheating-induced increase in car exhaust increases rates of low birth weight and acute asthma attacks among children by 1.9 and 8.0 percent, respectively. These health impacts ...
Working Paper
Do Stay-at-Home Orders Cause People to Stay at Home? Effects of Stay-at-Home Orders on Consumer Behavior
We link the county-level rollout of stay-at-home orders during the Covid-19 pandemic to anonymized cell phone records and consumer spending data. We document three patterns. First, stay-at-home orders caused people to stay home: county-level measures of mobility declined 6–7% within two days of when the stay-at-home order went into effect. Second, stay-at-home orders caused large reductions in spending in sectors associated with mobility: small businesses and large retail chains. Third, we estimate fairly uniform responses to stay-at-home orders across the country; effects do not vary by ...
Working Paper
Check Up Before You Check Out: Retail Clinics and Emergency Room Use
Retail clinics are an innovation that has the potential to improve competition in health care markets. We use the universe of emergency room (ER) visits in New Jersey from 2006-2014 to examine the impact of retail clinics on ER usage. We find significant effects of retail clinics on ER visits for both minor and preventable conditions; Residents residing close to an open clinic are 4.1-12.3 percent less likely to use an ER for these conditions. Our estimates suggest annual cost savings from reduced ER usage of over $70 million if retail clinics were made readily available across New Jersey.
Working Paper
Do Stay-at-Home Orders Cause People to Stay at Home? Effects of Stay-at-Home Orders on Consumer Behavior
We link the county-level rollout of stay-at-home orders to anonymized cellphone records and consumer spending data. We document three patterns. First, stay-at-home orders caused people to stay at home: county-level measures of mobility declined by between 9% and 13% by the day after the stay-at-home order went into effect. Second, stay-at-home orders caused large reductions in spending in sectors associated with mobility: restaurants and retail stores. However, food delivery sharply increased after orders went into effect. Third, there is substantial county-level heterogeneity in consumer ...
Newsletter
Measuring the relationship between business reopenings, Covid-19, and consumer behavior
On March 17, 2020, seven counties in the San Francisco Bay Area put into place the first stay-at-home orders in the United States. In the following weeks, counties and states implemented a cascading sequence of stay-at-home orders, bans on public gatherings, shutdowns of nonessential businesses, and face mask mandates. But as small businesses began to face financial insolvency, states and counties began easing these restrictions. To evaluate the effectiveness of policies restricting mobility and business activity, it is important to document the effects of reopening businesses on public ...
Working Paper
How do Doctors Respond to Incentives? Unintended Consequences of Paying Doctors to Reduce Costs
Billions of dollars have been spent on pilot programs searching for ways to reduce healthcare costs. I study one such program, where hospitals pay doctors bonuses for reducing the total hospital costs of admitted Medicare patients (a ?bundled payment?). Doctors respond to the bonuses by becoming more likely to admit patients whose treatment can generate high bonuses, and sorting healthier patients into participating hospitals. Conditional on patient health, however, doctors do not reduce costs or change procedure use. These results highlight the ability of doctors to game incentive schemes, ...
Working Paper
Do Stay-at-Home Orders Cause People to Stay at Home? Effects of Stay-at-Home Orders on Consumer Behavior
We link the county-level rollout of stay-at-home orders to anonymized cell phone records and consumer spending data. We document three patterns. First, stay-at-home orders caused people to stay home: County-level measures of mobility declined 8% by the day after the stay-at-home order went into effect. Second, stay-at-home orders caused large reductions in spending in sectors associated with mobility: small businesses and large retail stores. However, consumers sharply increased spending on food delivery services after orders went into effect. Third, responses to stay-at-home orders were ...