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Field
Experimental Design (Public)
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Before
FIRST RCT:
Employers on the Platform are invited to participate by email. They are informed that they will be asked to make decisions in different potential scenarios involving hard-to-fill jobs:
All worker adjustment: Employers are first asked about demand for dynamic wage adjustment when the wage increase applies to all workers, including those who have already accepted the job.
Marginal adjustment: 12 hours before job start time, increase pay by 10%, but where the adjustment only applies for workers accepting the job in the final 12 hours.
Marginal adjustment to median: Same as marginal adjustment, but where pay is increased to the median pay rate for completed jobs in an employer's area in this quarter.
Marginal, pay can't exceed non-Platform workers: Same as marginal adjustment, but where worker pay cannot exceed that of comparable non-Platform workers.
Marginal, added pay framed as hiring bonus: Same as marginal adjustment, but where the added pay is framed as a hiring bonus instead of a wage increase.
Marginal, additional pay covered by Platform: Same as marginal adjustment, but where the added pay is paid for by the Platform.
In addition, businesses are asked about demand for having their jobs guaranteed to be filled for a randomized price.
Finally, businesses are randomly provided with information from the first RCT about the responsiveness of job filling to bonus wage increases applied to some jobs by the Platform. Using accurate information framed differently, some businesses will receive information suggesting that responsiveness is fairly low and other businesses will receive information suggesting that responsiveness is fairly high.
All the different randomizations (price of guaranteed fill, information provided) are cross-randomized with one another.
SECOND RCT:
Some unfilled job slots are randomly assigned bonus wages by the Platform. This secondary RCT has already been conducted.
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After
FIRST RCT:
Employers on the Platform are invited to participate by email. They are informed that they will be asked to make decisions in different potential scenarios involving hard-to-fill jobs:
All worker adjustment: Employers are first asked about demand for dynamic wage adjustment when the wage increase applies to all workers, including those who have already accepted the job.
Marginal adjustment: 12 hours before job start time, increase pay by 10%, but where the adjustment only applies for workers accepting the job in the final 12 hours.
Marginal adjustment to median: Same as marginal adjustment, but where pay is increased to the median pay rate for completed jobs in an employer's area in this quarter.
Marginal, added pay framed as hiring bonus: Same as marginal adjustment, but where the added pay is framed as a hiring bonus instead of a wage increase.
Marginal, additional pay covered by Platform: Same as marginal adjustment, but where the added pay is paid for by the Platform.
Businesses are asked whether they wish to relax who can perform their jobs 12 hours before the job start time, specifically, whether they wish to allow lower pool workers to perform the job and whether they wish to drop any required badges.
In addition, businesses are asked about demand for having their jobs guaranteed to be filled for a randomized price.
Businesses are asked for their beliefs regarding fill rates, such as the impact on fill rates of raising pay by 10%. In addition, businesses are also asked whether they would be interested in a program that would improve their fill rate by the same amount as raising pay by 10%, but where they paid the Platform directly instead of raising pay. The offered increase in fill rate is equivalent to the business's belief about the impact of a 10% pay increase.
Finally, businesses are randomly provided with information from the first RCT about the responsiveness of job filling to bonus wage increases applied to some jobs by the Platform. Using accurate information framed differently, some businesses will receive information suggesting that responsiveness is fairly low and other businesses will receive information suggesting that responsiveness is fairly high.
All the different randomizations (price of guaranteed fill, information provided) are cross-randomized with one another.
SECOND RCT:
Some unfilled job slots are randomly assigned bonus wages by the Platform. This secondary RCT has already been conducted.
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