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. 2003 Jan;93(1):67–74. doi: 10.2105/ajph.93.1.67

TABLE 2—

Evidence of Nonprice Effects on Take-Up, by Qualitative Feature

Program Study Method of Identification Statistical Significance and Effect Size Notes
Program Benefit–Statistically Significant Effects
Unemployment insurance Anderson and Meyer26 (1997) Longitudinal with exogenous variation A 1.0–1.5 percentage point decrease in take-up from 10% decrease in after-tax benefits.
Unemployment insurance Blank and Card10 (1991) Longitudinal (state-level) A 1% increase in the state replacement rate causes a 1.6% increase in the take-up rate.
Housing benefits in UK Blundell et al.29 (1988) Cross-sectional A 0.52 percentage point increase per 1% increase in benefit size.
Medicaid as supplemental insurance Ettner32 (1997) Cross-sectional Elderly with chronic functional limitations 4 times likelier to take up Medicaid as supplemental insurance. Effect could be interpreted as owing to better information about program because of greater contact with medical providers.
Child SSI Garrett and Glied27 (2000) Longitudinal with natural experiment Change in eligibility rules results in a 0.427 percentage point increase in take-up per $100 increase in maximum SSI benefit. Value of the benefit is identified by the extent that a higher SSI benefit increases the take-up effect of the eligibility expansion.
AFDC Moffitt21 (1983) Cross-sectional (structural) Participation rose by 11 percentage points from an increase in benefits to a national minimum of 65% of the poverty line.
Program Benefit–Insignificant, No Significance Test Provided, or Both
Food stamps and AFDC Blank and Ruggles9 (1996) Cross-sectional No statistical test. Length of eligibility or “need” an important determinant of take-up. Longitudinal analysis used in study, but the effects of interest for us were identified cross-sectionally.
Earned income tax credit Scholz7 (1994) Cross-sectional Insignificant (borderline). Author states that magnitude is consistent with substantial effect but is not statistically significant.
Medicaid as Medigap (QMB) Yelowitz28 (2000) Longitudinal with natural experiment Insignificant. Change in eligibility rules results in a 0.427 percentage point increase in take-up per $100 increase in maximum SSI benefit. Value of benefit is identified by the extent that hospitalization increases the take-up effect of the eligibility expansion.
Program Benefit–Reverse Sign, Significant Results
Subsidized health insurance Diehr et al.30 (1996) Cross-sectional Sign the reverse of what was expected. Those with poorer health status and greater prior health care usage less likely to take up insurance.
Inconvenience
Income support (UK) Duclos33 (1995) Cross-sectional (structural) Unobserved inconvenience costs could be as much as 20% of benefit level. Indirect proxies for inconvenience could proxy for other factors.
Private pensions Madrian and Shea25 (2000) Longitudinal with natural experiment Statistically significant 49 percentage point increase in 401(k) participation due to change to presumptive enrollment. Dramatic effect, but it may be due more to psychological factors than literal convenience.
SSI McGarry14 (1996) Cross-sectional Mixed statistical significance. Car owner: insignificant; same MSA: marginally significant; poor health: significant. Car ownership, same MSA, and poor health all considered proxies for convenience. No marginal effects calculated.
Earned income tax credit Scholz7 (1994) Cross-sectional Statistically significant. Having no state income tax system lowers take-up by 7.6 percentage points.
Medicaid Stuber et al.31 (2000) Cross-sectional Statistically significant. Perceiving forms as long and complicated implies 1.8 times less likely to take up Medicaid. Perceiving hours as inconvenient implies 1.7 times less likely to take up. Nongeneralizable sample.
Stigma and Cultural Attitudes–Statistically Significant Effects
Food stamps Daponte et al.24 (1998) Survey questioning those who are eligible but not receiving 6.3% of eligibles not receiving cite stigma as a reason.
SSI McGarry14 (1996) Cross-sectional Mixed significance; other welfare programs highly statistically significant; South (cultural proxy), not significant. No marginal effects calculated.
AFDC Moffitt21 (1983) Cross-sectional structural model estimation Statistically significant; Stigma is a structurally identified and unitless function of race, education, and family size. Interpretation as stigma is problematic.
Medicaid as long-term care insurance Norton34 (1995) Comparison of the distribution of time to spend down with the distribution of times to spend down predicted by a separate survey of assets and income Longer times to spend down than are predicted by assets, implying that residents are receiving asset transfers to avoid Medicaid. Interpretation as stigma is problematic. Effect could be due to fear of worse treatment because of lower provider payments for Medicaid residents.
Stigma and Cultural Attitudes–Insignificant and No test Results
Medicaid Stuber et al.31 (2000) Cross-sectional Nongeneralizable sample
AFDC Horan and Austin19 (1997) Cross-sectional Small sample size; poor proxies for stigma
Informational Barriers–Statistically Significant Effects
Unemployment insurance Blank and Card10 (1991) Longitudinal (state-level) A 1% increase in the state unionization rate causes a 0.67% increase in the take-up rate. Unionization is a poor proxy for informational barriers.
Food stamps Daponte et al.24 (1998) Randomized experiment 36 percentage point increase in take-up due to information provided. Preintervention distribution of information appears to be endogenous: those with greatest potential benefit unlikely to be uninformed.
Supplemental grant support (social fund) (UK) Huby and Whyley35 (1996) Cross-sectional Those who have heard about program from friends or family are 7.4 times more likely to apply.
Qualified Medicare Beneficiary program (QMB) Neumann et al.36 (1995) Cross-sectional 20 percentage point increase in take-up due to awareness; 60% of those eligible and with knowledge of program take up; 40% of those eligible and unaware of program take up. Medicare beneficiaries merged with Medicare and QMB and Medicare data. Beneficiaries asked about awareness of program. Substantial take-up by those unaware of program suggests importance of providers in take-up.
Medicaid Stuber et al.31 (2000) Cross-sectional Confusion about Medicaid eligibility rules implies 1.8 times less likely to take up.
Medicaid as Medigap (QMB) Yelowitz28 (2000) Cross-sectional Greater effect of lagged eligibility than current eligibility indicates the possible effect of learning over time. Relative contributions of lagged eligibility indicate role of learning over time.

Note. SSI = supplemental security income; AFDC = Aid to Families With Dependent Children; QMB = Qualified Medicare Beneficiary program; MSA = metropolitan statistical area.