Fixed-term contracts and wages revisited using linked employer-employee data

Pfeifer, Christian

doi:10.1007/s12651-012-0107-9

Journal for Labour Market Research

Table 1 Variable definitions and descriptive statistics

From: Fixed-term contracts and wages revisited using linked employer-employee dataBefristete Arbeitsverträge und Entlohnung neu untersucht mit verbundenen Arbeitgeber-Arbeitnehmer-Daten

Variable	Definition	All workers		FTC=0		FTC=1		Diff. means
Variable	Definition	Mean	Std. dev.	Mean	Std. dev.	Mean	Std. dev.	(FTC0-FTC1)
Gross hourly wage	Gross hourly wages in October 2006 (Euros)	17.5193	10.5845	18.2995	10.6601	12.4033	8.4460	5.8962
logWAGE	Logarithm of gross hourly wages (log of Euros)	2.7447	0.4749	2.7984	0.4490	2.3923	0.4894	0.4061
FTC	Fixed-term contract (dummy)	0.1323	0.3388	0	0	1	0
AGE	Age in years	40.7637	10.2410	41.8746	9.7297	33.4790	10.5204	8.3957
AGE ²	Age squared/100	17.6656	8.3752	18.4815	8.1501	12.3152	7.8448	6.1664
TENURE	Tenure in years	9.4229	8.9924	10.6771	8.9615	1.1988	2.5603	9.4782
TENURE ²	Tenure squared/100	1.6966	2.8263	1.9431	2.9488	0.0799	0.5806	1.8632
HOURS	Monthly working hours	156.2735	30.2177	157.3308	28.6149	149.3401	38.4194	7.9907
HOURS ²	Monthly working hours squared/100	253.3452	79.1181	255.7181	75.6907	237.7849	97.2625	17.9332
SCHOOLING0	Highest schooling degrees: reference is none or unknown degree
SCHOOLING1	Low/medium schooling without apprenticeship („Hauptschule“/„Realschule“, no „Berufsausbildung“) (dummy)	0.1078	0.3101	0.1057	0.3074	0.1215	0.3267	−0.0159
SCHOOLING2	Low/medium schooling with apprenticeship („Hauptschule“/„Realschule“, „Berufsausbildung“) (dummy)	0.5694	0.4952	0.5886	0.4921	0.4434	0.4968	0.1451
SCHOOLING3	High schooling without apprenticeship („Abitur“, no „Berufsausbildung“) (dummy)	0.0178	0.1321	0.0128	0.1122	0.0506	0.2192	−0.0379
SCHOOLING4	High schooling with apprenticeship („Abitur“, „Berufsausbildung“) (dummy)	0.0614	0.2400	0.0623	0.2417	0.0553	0.2285	0.0070
SCHOOLING5	University of applied science („Fachhochschule“) (dummy)	0.0477	0.2131	0.0499	0.2177	0.0333	0.1794	0.0166
SCHOOLING6	University („Universität“) (dummy)	0.0861	0.2806	0.0833	0.2763	0.1051	0.3067	−0.0218
FEMALE	Female worker (dummy)	0.4147	0.4927	0.4097	0.4918	0.4472	0.4972	−0.0375
EAST	Firm located in East Germany (dummy)	0.1891	0.3916	0.1845	0.3879	0.2193	0.4138	−0.0348
FIRMSIZE0	Firm size categories: reference is <100 workers
FIRMSIZE1	Firm size 100–499 workers (dummy)	0.4710	0.4992	0.4671	0.4989	0.4967	0.5000	−0.0296
FIRMSIZE2	Firm size 500–999 workers (dummy)	0.1507	0.3578	0.1535	0.3604	0.1330	0.3396	0.0205
FIRMSIZE3	Firm size 1000–4999 workers (dummy)	0.1491	0.3562	0.1565	0.3633	0.1007	0.3009	0.0558
FIRMSIZE4	Firm size ≥5000 workers (dummy)	0.0205	0.1417	0.0214	0.1448	0.0143	0.1189	0.0071

Notes: Number of observations is 828963 workers (719274 without FTCs and 109689 with FTCs) in 9915 firms
Source: German Structure of Earnings Survey 2006

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