
Fig. 1
The expected direct and indirect effects of SEZ. Source: The author.

Fig. 2
Expected changes in density distributions under global shift, divergence and convergence. Source: Kopczewska (2014).

Fig. 3
Location of SEZ in comparison with non-SEZ business locations in 2016. Note: Firms per capita in intervals 0–0.1–0.15–0.20–0.5–0.75, from light to dark grey; SEZ are given with circles. Source: The author. The location of SEZ from MR (2017), the density of business from Central Statistical Office www.stat.gov.pl.

Fig. 4
Panel plots for selected groups of NTS5 units. Source: The author’s results, estimated in R.


Fig. 5
Density distributions of 3-year average data in time spans: 1995–1997 and 2014–2016. Source: The author’s results, estimated in R.
Table A1
Summary statistics
| Variable | Year | Urban NTS5, no SEZ | Rural and mixed NTS5, no SEZ | Seats of NTS4 authorities, no SEZ | Urban NTS with SEZ | Rural and mixed NTS5 with SEZ | Seats of NTS4 authorities with SEZ |
|---|---|---|---|---|---|---|---|
| Public investments per capita | 1995 | 403.01 | 283.21 | 301.00 | 359.49 | 397.02 | 303.20 |
| 2005 | 477.10 | 399.78 | 355.03 | 357.10 | 508.80 | 462.50 | |
| 2015 | 562.01 | 573.53 | 523.73 | 491.96 | 671.12 | 574.01 | |
| Own revenues per capita | 1995 | 1,323.31 | 706.38 | 817.77 | 959.60 | 1,113.19 | 937.29 |
| 2005 | 2,299.77 | 1,285.73 | 1,758.46 | 1,859.01 | 1,825.00 | 2,122.48 | |
| 2015 | 3,659.58 | 2,250.30 | 2,911.66 | 3,053.13 | 3,062.19 | 3,432.31 | |
| PIT revenues per capita | 1995 | 312.86 | 227.43 | 242.79 | 265.13 | 248.52 | 255.70 |
| 2005 | 447.29 | 201.19 | 387.97 | 379.16 | 249.47 | 470.69 | |
| 2015 | 769.64 | 433.52 | 682.69 | 684.79 | 533.43 | 803.61 | |
| Firms per inhabitant in productive age | 1995 | 0.11 | 0.05 | 0.09 | 0.09 | 0.06 | 0.10 |
| 2005 | 0.18 | 0.10 | 0.15 | 0.15 | 0.11 | 0.16 | |
| 2015 | 0.22 | 0.11 | 0.17 | 0.16 | 0.13 | 0.18 | |
| Unemployment rate | 1995 | NaN | NaN | NaN | NaN | NaN | NaN |
| 2005 | 12.71 | 13.63 | 13.01 | 14.91 | 14.20 | 12.22 | |
| 2015 | 6.87 | 7.69 | 7.84 | 7.65 | 7.49 | 6.79 | |
| Share of population in productive age | 1995 | 0.59 | 0.55 | 0.59 | 0.60 | 0.56 | 0.60 |
| 2005 | 0.64 | 0.61 | 0.64 | 0.65 | 0.63 | 0.65 | |
| 2015 | 0.63 | 0.63 | 0.63 | 0.63 | 0.64 | 0.63 |
[i] Source: The author’s results.
Table A2
P-value of Wilcoxon paired and unpaired tests for similarity of distributions
| Firms per inhabitant | ||||||||||||
| sub10 | sub20 | sub30 | sub40 | sub50 | sub60 | sub1 | sub2 | sub3 | sub4 | sub5 | sub6 | |
| sub10 | 1 | 0 | 0.27 | 0.5 | 0 | 0.74 | 0 | 0.85 | 0 | 0 | 0.04 | 0 |
| sub20 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub30 | 0.27 | 0 | 1 | 0.6 | 0 | 0.09 | 0 | 0.06 | 0 | 0 | 0 | 0 |
| sub40 | 0.5 | 0 | 0.6 | 1 | 0 | 0.13 | 0 | 0.21 | 0 | 0 | 0 | 0 |
| sub50 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub60 | 0.74 | 0 | 0.09 | 0.13 | 0 | 1 | 0 | 0.86 | 0 | 0 | 0 | 0 |
| sub1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.2 | 0.26 | 0 | 0.79 |
| sub2 | 0.85 | 0 | 0.06 | 0.21 | 0 | 0.86 | 0 | 1 | 0 | 0 | 0 | 0 |
| sub3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 | 1 | 0.5 | 0 | 0.09 |
| sub4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.26 | 0 | 0.5 | 1 | 0 | 0.1 |
| sub5 | 0.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| sub6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.79 | 0 | 0.09 | 0.1 | 0 | 1 |
| PIT revenues per capita | ||||||||||||
| sub10 | sub20 | sub30 | sub40 | sub50 | sub60 | sub1 | sub2 | sub3 | sub4 | sub5 | sub6 | |
| sub10 | 1 | 0 | 0 | 0.3 | 0 | 0.08 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub20 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub30 | 0 | 0 | 1 | 0.04 | 0.94 | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub40 | 0.3 | 0 | 0.04 | 1 | 0.03 | 0.61 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub50 | 0 | 0 | 0.94 | 0.03 | 1 | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub60 | 0.08 | 0 | 0.01 | 0.61 | 0.01 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.39 | 0.95 | 0 | 0.02 |
| sub2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| sub3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.39 | 0 | 1 | 0.62 | 0 | 0 |
| sub4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.95 | 0 | 0.62 | 1 | 0 | 0.06 |
| sub5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| sub6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.02 | 0 | 0 | 0.06 | 0 | 1 |
| Own revenues per capita | ||||||||||||
| sub10 | sub20 | sub30 | sub40 | sub50 | sub60 | sub1 | sub2 | sub3 | sub4 | sub5 | sub6 | |
| sub10 | 1 | 0 | 0 | 0.35 | 0 | 0.08 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub20 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub30 | 0 | 0 | 1 | 0.11 | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub40 | 0.35 | 0 | 0.11 | 1 | 0.01 | 0.88 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub50 | 0 | 0 | 0.01 | 0.01 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub60 | 0.08 | 0 | 0 | 0.88 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0.44 | 0 | 0.83 |
| sub2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| sub3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.05 | 0.01 | 0 |
| sub4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.44 | 0 | 0.05 | 1 | 0 | 0.36 |
| sub5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | 0 | 1 | 0 |
| sub6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.83 | 0 | 0 | 0.36 | 0 | 1 |
| Public investment per capita | ||||||||||||
| sub10 | sub20 | sub30 | sub40 | sub50 | sub60 | sub1 | sub2 | sub3 | sub4 | sub5 | sub6 | |
| sub10 | 1 | 0.06 | 0.13 | 0.98 | 0.38 | 0.39 | 0 | 0 | 0.15 | 0.32 | 0 | 0 |
| sub20 | 0.06 | 1 | 0.77 | 0.18 | 0.07 | 0.05 | 0 | 0 | 0 | 0.01 | 0 | 0 |
| sub30 | 0.13 | 0.77 | 1 | 0.23 | 0.3 | 0.18 | 0 | 0 | 0 | 0.02 | 0 | 0 |
| sub40 | 0.98 | 0.18 | 0.23 | 1 | 0.45 | 0.5 | 0.04 | 0.03 | 0.3 | 0.5 | 0 | 0.03 |
| sub50 | 0.38 | 0.07 | 0.3 | 0.45 | 1 | 0.88 | 0 | 0 | 0 | 0.07 | 0 | 0 |
| sub60 | 0.39 | 0.05 | 0.18 | 0.5 | 0.88 | 1 | 0 | 0 | 0 | 0.04 | 0 | 0 |
| sub1 | 0 | 0 | 0 | 0.04 | 0 | 0 | 1 | 0.54 | 0.07 | 0.28 | 0.33 | 0.83 |
| sub2 | 0 | 0 | 0 | 0.03 | 0 | 0 | 0.54 | 1 | 0.02 | 0.36 | 0 | 0.66 |
| sub3 | 0.15 | 0 | 0 | 0.3 | 0 | 0 | 0.07 | 0.02 | 1 | 0.96 | 0 | 0.03 |
| sub4 | 0.32 | 0.01 | 0.02 | 0.5 | 0.07 | 0.04 | 0.28 | 0.36 | 0.96 | 1 | 0.05 | 0.3 |
| sub5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0 | 0 | 0.05 | 1 | 0.05 |
| sub6 | 0 | 0 | 0 | 0.03 | 0 | 0 | 0.83 | 0.66 | 0.03 | 0.3 | 0.05 | 1 |
| Unemployment rate | ||||||||||||
| sub10 | sub20 | sub30 | sub40 | sub50 | sub60 | sub1 | sub2 | sub3 | sub4 | sub5 | sub6 | |
| sub10 | 1 | 0.1 | 0.25 | 0.07 | 0.01 | 0.78 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub20 | 0.1 | 1 | 0.42 | 0.19 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub30 | 0.25 | 0.42 | 1 | 0.08 | 0.01 | 0.11 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub40 | 0.07 | 0.19 | 0.08 | 1 | 0.56 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub50 | 0.01 | 0.02 | 0.01 | 0.56 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub60 | 0.78 | 0 | 0.11 | 0.02 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.02 | 0.01 | 0.2 | 0.13 | 0.67 |
| sub2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.02 | 1 | 0.33 | 0.89 | 0.4 | 0 |
| sub3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | 0.33 | 1 | 0.85 | 0.19 | 0 |
| sub4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.89 | 0.85 | 1 | 0.69 | 0.17 |
| sub5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.13 | 0.4 | 0.19 | 0.69 | 1 | 0.07 |
| sub6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.67 | 0 | 0 | 0.17 | 0.07 | 1 |
| Share of population in productive age | ||||||||||||
| sub10 | sub20 | sub30 | sub40 | sub50 | sub60 | sub1 | sub2 | sub3 | sub4 | sub5 | sub6 | |
| sub10 | 1 | 0 | 0.14 | 0.36 | 0 | 0.09 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub20 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub30 | 0.14 | 0 | 1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub40 | 0.36 | 0 | 0.05 | 1 | 0 | 0.72 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub50 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub60 | 0.09 | 0 | 0 | 0.72 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| sub1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.61 | 0.22 | 0.73 | 0 | 0.22 |
| sub2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.61 | 1 | 0 | 0.47 | 0 | 0 |
| sub3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.22 | 0 | 1 | 0.76 | 0 | 0.82 |
| sub4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.73 | 0.47 | 0.76 | 1 | 0.01 | 0.68 |
| sub5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | 1 | 0 |
| sub6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.22 | 0 | 0.82 | 0.68 | 0 | 1 |
[i] Note: Similar distributions (p > 0.05) were highlighted in red, diagonal elements not for interpretation in grey.
[ii] sub10-sub60 for period 1995–1997 (unemployment 2003–2005), sub1–sub6 for period 2014–2016.
[iii] sub10, sub1: urban municipalities, no authorities’ seats, no SEZ.
[iv] sub20, sub2: rural and mixed municipalities, no authorities’ seats, no SEZ.
[v] sub30, sub3: municipalities with seats of authorities, no SEZ.
[vi] sub40, sub4: urban municipalities, no authorities’ seats, with SEZ.
[vii] Sub50, sub5: rural and mixed municipalities, no authorities’ seats, with SEZ.
[viii] sub60, sub6: municipalities with seats of authorities, with SEZ.
[ix] Source: The author’s results.
