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A crucial issue in studying social insurance programs is whether they affect work decisions through income or substitution effects. We examine this in the context of U.S. Social Security Disability Insurance (DI), one of the largest social insurance programs in the U.S. The formula linking DI payments to past earnings has discontinuous changes in the marginal replacement rate that allow us to use a regression kink design to estimate the effect of payment size on earnings. Using Social Security Administration data on all new DI beneficiaries from 2001 to 2007, we document a robust income effect of DI payments on earnings. Our preferred estimate is that an increase in DI payments of one dollar causes an average decrease in beneficiaries' earnings of twenty cents. This suggests that the income effect represents an important factor in driving DI-induced reductions in earnings.

Zonder onderwerpscode: economie

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This paper measures the causal effect of time out of the labor force on subsequent employment of Social Security Disability Insurance (SSDI) applicants and distinguishes it from the discouragement effect of receiving disability benefits. Using a unique Social Security Administration workload database to identify exogenous variation in decision times induced by differences in processing speed among disability examiners to whom applicants are randomly assigned, we find that longer processing times reduce the employment and earnings of SSDI applicants for multiple years following application, with the effects concentrated among applicants awarded benefits during their initial application. A one standard deviation (2.1 month) increase in initial processing time reduces long-run "substantial gainful activity" rates by 0.36 percentage points (3.5%) and long-run annual earnings by $178 (5.1%). Because applicants initially denied benefits spend on average more than 15 additional months appealing their denials, previous estimates of the benefit receipt effect are confounded with the effect of delays on subsequent employment. Accounting separately for these channels, we find that the receipt effect is at least 50% larger than previously estimated. Combining the delay and benefits receipt channels reveals that the SSDI application process reduces subsequent employment of applicants on the margin of award by twice as much as prior literature suggests.

Zonder onderwerpscode: economie

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Legal representatives play a prominent role in the Social Security Disability Insurance adjudication process, earning fees totaling $1.2 billion in 2019. Long ubiquitous in appellate hearings, disability representatives--including attorneys and non-attorneys--have begun appearing more frequently at the beginning of cases, during the initial review. This development has raised questions about the motives of disability law firms, who are sometimes perceived to prioritize their own interests in response to incentives in the fee structure set by the Social Security Administration. We provide the first estimates of the causal impact of legal representation on case outcomes when representatives are engaged from the initial stage. To address selection into representation, we instrument for initial representation using geographic and temporal variation in disability law firm market shares in the closely related but distinct appellate market. We find that representation increases the probability of initial awards, reduces the probability of appeals, and induces no detectable change in the ultimate probability of award. This pattern indicates that legal representation in the initial stage leads to earlier disability awards to individuals who would otherwise be awarded benefits only on appeal. Furthermore, by securing earlier awards and discouraging unsupported appeals, representation reduces total case processing time by nearly one year.

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This paper measures the causal effect of time out of the labor force on subsequent employment of Social Security Disability Insurance (SSDI) applicants and distinguishes it from the discouragement effect of receiving disability benefits. Using a unique Social Security Administration workload database to identify exogenous variation in decision times induced by differences in processing speed among disability examiners to whom applicants are randomly assigned, we find that longer processing times reduce the employment and earnings of SSDI applicants for multiple years following application, with the effects concentrated among applicants awarded benefits during their initial application. A one standard deviation (2.1 month) increase in initial processing time reduces long-run "substantial gainful activity" rates by 0.36 percentage points (3.5%) and long-run annual earnings by $178 (5.1%). Because applicants initially denied benefits spend on average more than 15 additional months appealing their denials, previous estimates of the benefit receipt effect are confounded with the effect of delays on subsequent employment. Accounting separately for these channels, we find that the receipt effect is at least 50% larger than previously estimated. Combining the delay and benefits receipt channels reveals that the SSDI application process reduces subsequent employment of applicants on the margin of award by twice as much as prior literature suggests.