Abstract
We analyze the space-time dynamics of Indonesia’s provincial unemployment by simultaneously accounting for their serial persistence, spatial dependence, and common factors. The results show that unemployment rates vary widely across provinces, but have similar patterns over time, indicating the presence of common latent factors. Using the average national unemployment rate as a proxy for common factors, the results indicate that the space-time dynamics of provincial unemployment are characterized by both significant serial persistence and spatial dependence. The results also quantify which regions are most sensitive to national unemployment shocks, providing a deeper understanding of regional unemployment heterogeneity.
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Notes
In this comparative evaluation, sparsely defined matrices include queen contiguity, rook contiguity, four nearest neighbors, and six nearest neighbors. On the other hand, densely defined matrices include eight nearest neighbors, ten nearest neighbors, inverse distance, inverse distance with threshold, inverse distance squared, and inverse distance squared with threshold.
If \(\eta\) were statistically significant, the latter approach would be particularly interesting as it combines the notion of internal (\(\tau\)) and external (\(\eta\)) habit persistence (Korniotis 2010). Additionally, one could explore combinations of these two measures of regional sensitivity.
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Appendices
Appendix
Appendix A: Cross-sectional dynamics of unemployment
Figure 4
Appendix B: Spatial distribution of unemployment
Figure 5
Appendix C: Derivation of a spatial connectivity structure for Indonesia
Figure 6
In panel (a) of Fig. 6, the administrative boundaries of the provinces of Indonesia are not consistently continuous due to the presence of islands. As a result, commonly used contiguity criteria, which determines geographical neighbors, cannot be directly applied. To address this limitation, the original centroids of the provincial boundaries and the computational geometry approach of Brassel and Reif (1979) and Aurenhammer (1991) are employed to derive a completely connected polygon structure (panel (b)). This connected structure if formed by calculating perpendicular bisectors between every pair of neighboring points. In contemporary spatial analysis literature, this interconnected structure and its construction framework are referred to as the Thiessen polygon approach (Anselin 2020). Within this derived polygon structure, it becomes possible to identify neighboring regions based on both contiguity and distance criteria.
Appendix D: Evolution of spatial dependence in unemployment based on alternative connectivity structures (weight matrices)
Figure 7
Appendix E: Evolution of spatial dependence of the residuals based on the four models of Table 1
Figure 8
Appendix F: Sensitivity coefficients
Table 2
Note: Sensitivity parameters are calculated for the first common factor described in Eq. 4. The standard errors for these parameters are calculated using the ratio formulas for stochastic variables described by Mood et al. (1974).
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Mendez, C., Siregar, T.H. Regional unemployment dynamics in Indonesia: serial persistence, spatial dependence, and common factors. Lett Spat Resour Sci 16, 40 (2023). https://doi.org/10.1007/s12076-023-00364-6
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DOI: https://doi.org/10.1007/s12076-023-00364-6
Keywords
- Regional unemployment
- Cyclical sensitivity
- Spatial dependence
- Serial persistance
- Common factors
- Indonesia