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Table 9 Pre-treatment outcomes for restaurants with missing wage and work-time information

From: Minimum wage regulation in Switzerland: survey evidence for restaurants in the canton of Neuchâtel

   Estimation sample   Missing observations    
  N N Mean N Mean Diff. T -stat
Restaurants with missing wage data
Headcount employment 107 94 4.77 13 5.00 0.23 (0.23)
Part-time workers 107 94 0.52 13 0.36 –0.16 (–1.40)
Workers without qualification 107 94 0.74 13 0.60 –0.15 (–1.38)
Young workers (< 25 years old) 107 94 0.19 13 0.21 0.02 (0.23)
Price 3dl soda 107 94 3.69 13 3.52 –0.16 (–1.64)
Price coffee 107 94 3.52 13 3.52 –0.01 (–0.10)
Price daily special 104 91 17.78 13 16.62 –1.16* (–1.67)
Seating capacity 107 94 100.46 13 114.23 13.77 (0.64)
Daily meals served (Mon-Thu) 105 94 44.91 11 88.18 43.27 (1.25)
Daily meals served (Fri-Sun) 103 94 56.46 9 101.67 45.20 (1.24)
Restaurants with missing work-time data
Headcount employment 107 88 4.74 19 5.05 0.31 (0.29)
Part-time workers 107 88 0.51 19 0.46 –0.05 (–0.58)
Workers without qualification 107 88 0.73 19 0.73 0.00 (0.04)
Young workers (< 25 years old) 107 88 0.22 19 0.07 –0.15*** (–3.29)
Price 3dl soda 107 88 3.68 19 3.59 –0.09 (–1.28)
Price coffee 107 88 3.53 19 3.48 –0.04 (–0.89)
Price daily special 104 86 17.80 18 16.86 –0.94 (–1.63)
Seating capacity 107 88 99.58 19 113.95 14.37 (0.67)
Daily meals served (Mon-Thu) 105 88 49.52 17 49.03 –0.49 (–0.04)
Daily meals served (Fri-Sun) 103 88 60.31 15 61.00 0.69 (0.03)
  1. Notes: This table reports balance tests for restaurants with missing data for wages and work-time percentages, using pre-treatment data from the first wave of the survey. Excludes data for managers and members of their family. Workers without qualification are employees without a professional degree. Heteroskedasticity-robust t-statistics reported. ,, and denote statistical significance at 10%, 5%, and 1%, respectively