This paper presents a stated preference study of electric vehicle choice using data from a national survey. We used a choice experiment wherein 3029 respondents were asked to chose between their preferred gasoline vehicle and two electric versions of that preferred vehicle. We estimated a latent class random utility model and used the results to estimate the willingness to pay for five electric vehicle attributes: driving range, charging time, fuel cost saving, pollution reduction, and performance. Driving range, fuel cost savings, and charging time led in importance to respondents. Individuals were willing to pay (wtp) from $35 to $75 for a mile of added driving range, with incremental wtp per mile decreasing at higher distances. They were willing to pay from $425 to $3250 per hour reduction in charging time (for a 50 mile charge). Respondents capitalized about 5 years of fuel saving into the purchase price of an electric vehicle. We simulated our model over a range of electric vehicle configurations and found that people with the highest values for electric vehicles were willing to pay a premium above their wtp for a gasoline vehicle that ranged from $6,000 to $16,000 for electric vehicles with the most desirable attributes. At the same time, our results suggest that battery cost must drop significantly before electric vehicles will find a mass market without subsidy.
Key Points
Question
What trends and factors are associated with physician burnout in a large academic medical faculty practice?
Findings
In this survey study administered to 1774 physicians in 2014 and 1882 physicians in 2017, burnout increased from 40.6% to 45.6%, with early-career physicians more likely to report burnout than midcareer and late-career physicians. An institution-wide process was mobilized to address and relieve burnout.
Meaning
Relief of burnout will require local and central initiatives and engagement of both individuals and leadership.
Administrative duties required substantial physician time and affected physicians' perceptions of being able to deliver high-quality care, career satisfaction, burnout, and likelihood to continue clinical practice. There is variation in administrative burden across specialties, and multiple areas of work contribute to overall administrative workload.
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