Table C3 Predicted Joint Probability of Labor Force Participation and Employment and Predicted Unconditional Employment Probability by Disability Status CPS 19812000

Average predicted probability

Nondisabled Disabled

Being in the labor

Being in the labor

force and employed

Employment

force and employed

Employment

(1)

(2)

(3)

(4)

Year

Prob(lfp = 1, emp = 1)

Prob(emp = 1)

Prob(lfp= 1, emp = 1)

Prob(emp = 1)

1981

0.64271

0.84244

0.47840

0.79271

1982

0.62609

0.81519

0.47742

0.77384

1983

0.61727

0.79255

0.47474

0.76856

1984

0.64824

0.85387

0.50693

0.82802

1985

0.65675

0.85665

0.50837

0.82475

1986

0.66467

0.85364

0.51167

0.81465

1987

0.67498

0.86818

0.51993

0.83475

1988

0.68827

0.87833

0.53576

0.82908

1989

0.69070

0.88346

0.53884

0.85364

1990

0.69150

0.87427

0.52609

0.82427

1991

0.67530

0.84653

0.52123

0.81285

1992

0.67426

0.82397

0.51998

0.76743

1993

0.67738

0.83780

0.53733

0.80476

1994

0.68448

0.84973

0.49882

0.81405

1995

0.68820

0.87372

0.49520

0.83877

1996

0.69305

0.87742

0.50769

0.84971

1997

0.70309

0.87734

0.51408

0.84607

1998

0.71169

0.89380

0.51334

0.86027

1999

0.71529

0.89326

0.50755

0.83657

2000

0.72085

0.91141

0.52832

0.86493

NOTE: Estimates obtained from a bivariate probit model with selection. Regressors for both labor force and employment determination included the state unemployment rate; age; age squared; female, nonwhite, education, and regional dummies; and a disability dummy. The labor force participation equation also included nonlabor income, marital status, and a worked-last-year indicator. The employment equation included the number of weeks worked last year. The probabilities for each column are the average across the entire sample obtained by calculating the probability for each person (varying the disability dummy variable between 0 and 1), then averaging across the sample.

Table C.4 Relative Predicted Probabilities of Working in Each Firm Size, CPS 1987-1999

Ratio of predicted probabilities of a disabled worker relative to the predicted probability for a nondisabled coworker being employed by a firm by size

Year

Small firm

Medium firm

Large firm

1987

1.1842

1.0756

0.9189

1988

1.1836

1.1063

0.9134

1989

1.1524

1.0403

0.9409

1990

1.1372

1.0174

0.9507

1991

1.1682

0.9417

0.9493

1992

1.2127

0.8759

0.9501

1993

1.0873

1.0410

0.9512

1994

1.0567

0.9999

0.9787

1995

1.1772

0.9384

0.9399

1996

1.1811

0.8598

0.9575

1997

1.1341

0.9900

0.9511

1998

1.0110

0.9319

1.0106

1999

1.0963

0.9840

0.9675

Change over

time period

-0.0879

-0.0917

0.0487

NOTE: Small firms have fewer than 25 employees; medium firms have 25-99 employees; and large firms have 100 or more employees. Regressors (in addition to a disability dummy variable) in the multinomial logit regression included age; age squared; and regional, education, female, nonwhite, and central city dummy variables.

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