Table 1 Basic information on minimum wage sectors and the design of the corresponding minimum wage studies
Industry | |||||||
|---|---|---|---|---|---|---|---|
Waste removal (WR) | Industrial Laundries (IL) | Commercial Cleaning Industry (CC) | Nursing Care Sector (NC) | Painters and Varnishers (PV) | Roofing Sector (RS) | Main Construction (MC) | |
Introduction date | 01.01.2010 | 24.10.2009 | 01.07.2007 | 01.08.2010 | 01.12.2003 | 01.10.1997 | 01.01.1997 |
Specifics of sector | Limited competition; heterogeneity of firm size | Small firms dominating, some concentration trend | Growth of small and large firms (polarization); 2/3 females; 1/4 foreigners; 80 % part-time | Monopsonistic market structure; shortage of (qual.) workers; 36.4 % full time; increasing fictitious self-empl. | Small firms; trend towards 1-person firms | Trend towards small firms | Mainly male workers; call for tender gives monopsony power to large customers; high market power index for firms |
Employment trend | Stable | Stable | At least stable | Strong growth | Decline | Decline | Decline |
Price elast. (dem.) | Low | High at firm level | High at firm level | Intermediate | High at firm level | Low | High at firm level |
Share of labor costs | Low/intermediate (8–23 %) | Intermediate | High (72 %) | High | Relatively high | Intermediate (30 %) | Intermediate |
Units for analysis | Firms | Firms | Firms, regions, workers | Firms | Firms, workers | Firms, workers | Workers, firms, regions |
Definition of treatment | At least 1 worker affected and others | Wage increases due to MW | Wage increases due to MW | (i) # persons affected; (ii) Wage gap | (i) Persons affected; (ii) Dummy variable | (i) # persons affected; (ii) Wage gap | (i) # persons affected; (ii) Wage gap |
Control group | (i) Obs. in similar ind.; (ii) Obs. within same ind. | No control group design | Similar occupations in different ind. | No control group design | Obs. in similar industries and others | (i) Obs. in similar ind.; (ii) Obs. within same ind. | (i) Obs. in similar ind.; (ii) Obs. within same ind. |
Data source | Firm survey | Firm survey | Adm. data; micro-census; firm survey | Pflegestatistik; online survey | Adm. data; micro-census; firm survey | Adm. data, micro-census, surveys | Adm. data, micro-census, surveys |
Method | DiD | Descriptive | DiD | Panel data method | DiD | DiD; DiDiD, Panel data method | DiD |