Table A1 Open in new tab Summary...

Industrial data, 2001–2005, 2005–2009	Full N = 43,906	Restricted N = 6904
Air pop access first period (ln)	18.482	0.484	15.958	20.847	18.104	0.338	16.51	19.045
Change in ln air transport access (5 airp.)	0.151	0.182	0.047	1.9	0.31	0.138	0.052	0.81
Change in ln air transport access (1 airp.)	0.158	0.312	0.046	3.135	0.312	0.291	0.053	1.177
Change in ln landside air access	0.075	0.179	−0.014	1.839	0.229	0.136	−0.006	0.711
Change in ln airside air access	0.076	0.015	0.047	0.104	0.08	0.012	0.057	0.103
Distance to nearest airport start year	82.677	49.85	6.112	558.622	134.047	49.099	35.36	406.244
Distance to nearest airport end year	75.212	43.078	6.112	558.622	107.915	42.488	32.526	406.244
Distance to nearest new airport in period	351.028	288.156	8.136	2149.284	126.88	57.718	32.526	608.934
Gross output in start year (ln)	10.114	1.363	1.386	18.19	9.958	1.441	1.386	15.771
Change in ln gross output	0.566	0.986	−10.404	9.511	0.653	0.986	−6.087	9.511
Population (2000 census)	7.73E+05	7.28E+05	9201	8.31E+06	5.80E+05	3.48E+05	10890	2.00E+06
Share with high school education	0.25	0.293	0.007	2.38	0.217	0.291	0.016	1.597

County data, 2002–2006, 2006–2010	Full N = 4160	Restricted N = 976
County × period cells	Mean	SD	Min	Max	Mean	SD	Min	Max

Air pop access first period (ln)	18.25	0.576	15.851	20.875	17.947	0.411	16.053	19.045
Change in ln air transport access (5 airp.)	0.178	0.184	0.05	1.917	0.303	0.135	0.063	0.816
Change in ln air transport access (1 airp.)	0.186	0.324	0.054	3.145	0.302	0.28	0.054	1.173
Change in ln landside air access	0.095	0.183	–0.015	1.848	0.218	0.133	-0.013	0.711
Change in ln airside air access	0.084	0.012	0.056	0.106	0.085	0.012	0.056	0.106
Distance to nearest airport start year	107.662	71.236	6.112	742.021	153.247	65.998	22.782	703.681
Distance to nearest airport end year	97.176	65.816	6.112	742.021	126.492	61.899	22.075	703.681
Distance to nearest new airport in period	300.318	218.751	8.136	1481.069	150.358	86.043	30.061	1038.917
GDP start year (ln)	12.511	1.341	8.606	17.878	12.084	1.258	8.606	17.849
Change in ln GDP	0.651	0.28	−1.865	3.174	0.686	0.274	−0.735	2.095
Population (2000 census)	5.15E+05	5.15E+05	6384	8.31E+06	4.00E+05	3.57E+05	9699	6.18E+06
Secondary sector GDP share	0.431	0.165	0.05	2.931	0.419	0.177	0.057	0.885
Tertiary sector GDP share	0.344	0.119	0.022	4.403	0.339	0.105	0.083	0.838
Share with high school education	0.164	0.221	0.007	2.368	0.135	0.174	0.008	1.597

Industrial data, 2001–2005, 2005–2009

Full N = 43,906

Restricted N = 6904

Two-digit industry × county × period cells.

Mean

Min

Max

Mean

Min

Max

Air pop access first period (ln)

18.482

0.484

15.958

20.847

18.104

0.338

16.51

19.045

Change in ln air transport access (5 airp.)

0.151

0.182

0.047

1.9

0.31

0.138

0.052

0.81

Change in ln air transport access (1 airp.)

0.158

0.312

0.046

3.135

0.312

0.291

0.053

1.177

Change in ln landside air access

0.075

0.179

−0.014

1.839

0.229

0.136

−0.006

0.711

Change in ln airside air access

0.076

0.015

0.047

0.104

0.08

0.012

0.057

0.103

Distance to nearest airport start year

82.677

49.85

6.112

558.622

134.047

49.099

35.36

406.244

Distance to nearest airport end year

75.212

43.078

6.112

558.622

107.915

42.488

32.526

406.244

Distance to nearest new airport in period

351.028

288.156

8.136

2149.284

126.88

57.718

32.526

608.934

Gross output in start year (ln)

10.114

1.363

1.386

18.19

9.958

1.441

1.386

15.771

Change in ln gross output

0.566

0.986

−10.404

9.511

0.653

0.986

−6.087

9.511

Population (2000 census)

7.73E+05

7.28E+05

9201

8.31E+06

5.80E+05

3.48E+05

10890

2.00E+06

Share with high school education

0.25

0.293

0.007

2.38

0.217

0.291

0.016

1.597

County data, 2002–2006, 2006–2010

Full N = 4160

Restricted N = 976

County × period cells

Mean

Min

Max

Mean

Min

Max

Air pop access first period (ln)

18.25

0.576

15.851

20.875

17.947

0.411

16.053

19.045

Change in ln air transport access (5 airp.)

0.178

0.184

0.05

1.917

0.303

0.135

0.063

0.816

Change in ln air transport access (1 airp.)

0.186

0.324

0.054

3.145

0.302

0.28

0.054

1.173

Change in ln landside air access

0.095

0.183

–0.015

1.848

0.218

0.133

-0.013

0.711

Change in ln airside air access

0.084

0.012

0.056

0.106

0.085

0.012

0.056

0.106

Distance to nearest airport start year

107.662

71.236

6.112

742.021

153.247

65.998

22.782

703.681

Distance to nearest airport end year

97.176

65.816

6.112

742.021

126.492

61.899

22.075

703.681

Distance to nearest new airport in period

300.318

218.751

8.136

1481.069

150.358

86.043

30.061

1038.917

GDP start year (ln)

12.511

1.341

8.606

17.878

12.084

1.258

8.606

17.849

Change in ln GDP

0.651

0.28

−1.865

3.174

0.686

0.274

−0.735

2.095

Population (2000 census)

5.15E+05

6384

8.31E+06

4.00E+05

3.57E+05

9699

6.18E+06

Secondary sector GDP share

0.431

0.165

0.05

2.931

0.419

0.177

0.057

0.885

Tertiary sector GDP share

0.344

0.119

0.022

4.403

0.339

0.105

0.083

0.838

Share with high school education

0.164

0.221

0.007

2.368

0.135

0.174

0.008

1.597

Industrial data, 2001–2005, 2005–2009	Full N = 43,906	Restricted N = 6904
Air pop access first period (ln)	18.482	0.484	15.958	20.847	18.104	0.338	16.51	19.045
Change in ln air transport access (5 airp.)	0.151	0.182	0.047	1.9	0.31	0.138	0.052	0.81
Change in ln air transport access (1 airp.)	0.158	0.312	0.046	3.135	0.312	0.291	0.053	1.177
Change in ln landside air access	0.075	0.179	−0.014	1.839	0.229	0.136	−0.006	0.711
Change in ln airside air access	0.076	0.015	0.047	0.104	0.08	0.012	0.057	0.103
Distance to nearest airport start year	82.677	49.85	6.112	558.622	134.047	49.099	35.36	406.244
Distance to nearest airport end year	75.212	43.078	6.112	558.622	107.915	42.488	32.526	406.244
Distance to nearest new airport in period	351.028	288.156	8.136	2149.284	126.88	57.718	32.526	608.934
Gross output in start year (ln)	10.114	1.363	1.386	18.19	9.958	1.441	1.386	15.771
Change in ln gross output	0.566	0.986	−10.404	9.511	0.653	0.986	−6.087	9.511
Population (2000 census)	7.73E+05	7.28E+05	9201	8.31E+06	5.80E+05	3.48E+05	10890	2.00E+06
Share with high school education	0.25	0.293	0.007	2.38	0.217	0.291	0.016	1.597

County data, 2002–2006, 2006–2010	Full N = 4160	Restricted N = 976
County × period cells	Mean	SD	Min	Max	Mean	SD	Min	Max

Air pop access first period (ln)	18.25	0.576	15.851	20.875	17.947	0.411	16.053	19.045
Change in ln air transport access (5 airp.)	0.178	0.184	0.05	1.917	0.303	0.135	0.063	0.816
Change in ln air transport access (1 airp.)	0.186	0.324	0.054	3.145	0.302	0.28	0.054	1.173
Change in ln landside air access	0.095	0.183	–0.015	1.848	0.218	0.133	-0.013	0.711
Change in ln airside air access	0.084	0.012	0.056	0.106	0.085	0.012	0.056	0.106
Distance to nearest airport start year	107.662	71.236	6.112	742.021	153.247	65.998	22.782	703.681
Distance to nearest airport end year	97.176	65.816	6.112	742.021	126.492	61.899	22.075	703.681
Distance to nearest new airport in period	300.318	218.751	8.136	1481.069	150.358	86.043	30.061	1038.917
GDP start year (ln)	12.511	1.341	8.606	17.878	12.084	1.258	8.606	17.849
Change in ln GDP	0.651	0.28	−1.865	3.174	0.686	0.274	−0.735	2.095
Population (2000 census)	5.15E+05	5.15E+05	6384	8.31E+06	4.00E+05	3.57E+05	9699	6.18E+06
Secondary sector GDP share	0.431	0.165	0.05	2.931	0.419	0.177	0.057	0.885
Tertiary sector GDP share	0.344	0.119	0.022	4.403	0.339	0.105	0.083	0.838
Share with high school education	0.164	0.221	0.007	2.368	0.135	0.174	0.008	1.597

Table A1

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Summary statistics for county and industrial data

Industrial data, 2001–2005, 2005–2009	Full N = 43,906				Restricted N = 6904
Two-digit industry × county × period cells.	Mean	SD	Min	Max	Mean	SD	Min	Max
Air pop access first period (ln)	18.482	0.484	15.958	20.847	18.104	0.338	16.51	19.045
Change in ln air transport access (5 airp.)	0.151	0.182	0.047	1.9	0.31	0.138	0.052	0.81
Change in ln air transport access (1 airp.)	0.158	0.312	0.046	3.135	0.312	0.291	0.053	1.177
Change in ln landside air access	0.075	0.179	−0.014	1.839	0.229	0.136	−0.006	0.711
Change in ln airside air access	0.076	0.015	0.047	0.104	0.08	0.012	0.057	0.103
Distance to nearest airport start year	82.677	49.85	6.112	558.622	134.047	49.099	35.36	406.244
Distance to nearest airport end year	75.212	43.078	6.112	558.622	107.915	42.488	32.526	406.244
Distance to nearest new airport in period	351.028	288.156	8.136	2149.284	126.88	57.718	32.526	608.934
Gross output in start year (ln)	10.114	1.363	1.386	18.19	9.958	1.441	1.386	15.771
Change in ln gross output	0.566	0.986	−10.404	9.511	0.653	0.986	−6.087	9.511
Population (2000 census)	7.73E+05	7.28E+05	9201	8.31E+06	5.80E+05	3.48E+05	10890	2.00E+06
Share with high school education	0.25	0.293	0.007	2.38	0.217	0.291	0.016	1.597

County data, 2002–2006, 2006–2010	Full N = 4160				Restricted N = 976
County × period cells	Mean	SD	Min	Max	Mean	SD	Min	Max

Air pop access first period (ln)	18.25	0.576	15.851	20.875	17.947	0.411	16.053	19.045
Change in ln air transport access (5 airp.)	0.178	0.184	0.05	1.917	0.303	0.135	0.063	0.816
Change in ln air transport access (1 airp.)	0.186	0.324	0.054	3.145	0.302	0.28	0.054	1.173
Change in ln landside air access	0.095	0.183	–0.015	1.848	0.218	0.133	-0.013	0.711
Change in ln airside air access	0.084	0.012	0.056	0.106	0.085	0.012	0.056	0.106
Distance to nearest airport start year	107.662	71.236	6.112	742.021	153.247	65.998	22.782	703.681
Distance to nearest airport end year	97.176	65.816	6.112	742.021	126.492	61.899	22.075	703.681
Distance to nearest new airport in period	300.318	218.751	8.136	1481.069	150.358	86.043	30.061	1038.917
GDP start year (ln)	12.511	1.341	8.606	17.878	12.084	1.258	8.606	17.849
Change in ln GDP	0.651	0.28	−1.865	3.174	0.686	0.274	−0.735	2.095
Population (2000 census)	5.15E+05	5.15E+05	6384	8.31E+06	4.00E+05	3.57E+05	9699	6.18E+06
Secondary sector GDP share	0.431	0.165	0.05	2.931	0.419	0.177	0.057	0.885
Tertiary sector GDP share	0.344	0.119	0.022	4.403	0.339	0.105	0.083	0.838
Share with high school education	0.164	0.221	0.007	2.368	0.135	0.174	0.008	1.597

Industrial data, 2001–2005, 2005–2009	Full N = 43,906				Restricted N = 6904
Two-digit industry × county × period cells.	Mean	SD	Min	Max	Mean	SD	Min	Max
Air pop access first period (ln)	18.482	0.484	15.958	20.847	18.104	0.338	16.51	19.045
Change in ln air transport access (5 airp.)	0.151	0.182	0.047	1.9	0.31	0.138	0.052	0.81
Change in ln air transport access (1 airp.)	0.158	0.312	0.046	3.135	0.312	0.291	0.053	1.177
Change in ln landside air access	0.075	0.179	−0.014	1.839	0.229	0.136	−0.006	0.711
Change in ln airside air access	0.076	0.015	0.047	0.104	0.08	0.012	0.057	0.103
Distance to nearest airport start year	82.677	49.85	6.112	558.622	134.047	49.099	35.36	406.244
Distance to nearest airport end year	75.212	43.078	6.112	558.622	107.915	42.488	32.526	406.244
Distance to nearest new airport in period	351.028	288.156	8.136	2149.284	126.88	57.718	32.526	608.934
Gross output in start year (ln)	10.114	1.363	1.386	18.19	9.958	1.441	1.386	15.771
Change in ln gross output	0.566	0.986	−10.404	9.511	0.653	0.986	−6.087	9.511
Population (2000 census)	7.73E+05	7.28E+05	9201	8.31E+06	5.80E+05	3.48E+05	10890	2.00E+06
Share with high school education	0.25	0.293	0.007	2.38	0.217	0.291	0.016	1.597

County data, 2002–2006, 2006–2010	Full N = 4160				Restricted N = 976
County × period cells	Mean	SD	Min	Max	Mean	SD	Min	Max

Air pop access first period (ln)	18.25	0.576	15.851	20.875	17.947	0.411	16.053	19.045
Change in ln air transport access (5 airp.)	0.178	0.184	0.05	1.917	0.303	0.135	0.063	0.816
Change in ln air transport access (1 airp.)	0.186	0.324	0.054	3.145	0.302	0.28	0.054	1.173
Change in ln landside air access	0.095	0.183	–0.015	1.848	0.218	0.133	-0.013	0.711
Change in ln airside air access	0.084	0.012	0.056	0.106	0.085	0.012	0.056	0.106
Distance to nearest airport start year	107.662	71.236	6.112	742.021	153.247	65.998	22.782	703.681
Distance to nearest airport end year	97.176	65.816	6.112	742.021	126.492	61.899	22.075	703.681
Distance to nearest new airport in period	300.318	218.751	8.136	1481.069	150.358	86.043	30.061	1038.917
GDP start year (ln)	12.511	1.341	8.606	17.878	12.084	1.258	8.606	17.849
Change in ln GDP	0.651	0.28	−1.865	3.174	0.686	0.274	−0.735	2.095
Population (2000 census)	5.15E+05	5.15E+05	6384	8.31E+06	4.00E+05	3.57E+05	9699	6.18E+06
Secondary sector GDP share	0.431	0.165	0.05	2.931	0.419	0.177	0.057	0.885
Tertiary sector GDP share	0.344	0.119	0.022	4.403	0.339	0.105	0.083	0.838
Share with high school education	0.164	0.221	0.007	2.368	0.135	0.174	0.008	1.597

Notes: Unweighted summary statistics. Changes refer to 4-year changes. Restricted geographical subset is counties for which absolute value of difference between nearest airport distance at beginning of period and distance to new airports constructed during time period is <60% of the distance at beginning of period.

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