Pre-registration
Strong employment-protection legislation (EPL) with high union wage-setting coverage and limited at-will dismissal produces a three-order causal chain in Southern European labour markets. FIRST-ORDER: insider workers receive durable job security, wage floors via collective bargaining, and statutory dismissal protections — this is a real welfare transfer to incumbent workers and an acknowledged policy success on its own terms. SECOND-ORDER: an insider-outsider duality emerges in which youth, women re-entering after care periods, immigrants and long-term unemployed face exceptionally high unemployment rates, temporary-contract traps, and hiring friction. THIRD- ORDER: the persistent youth/outsider disadvantage accelerates brain-drain emigration (ESP/ITA/GRC youth exodus 2011-2019), contributes to demographic-fertility decline (delayed family formation through unstable early-career), and produces a productivity-scarring "lost cohort" effect on the national labour force. Cases: Spain reforma 2012 as an EPL-reduction event-study, Italy Jobs Act 2015, Greece Law 4093 2012, France El Khomri 2016 and Macron 2017 ordonnances.
Falsification criterion — what would disprove this
This hypothesis is considered falsified if:
Not supported if, across the five countries: (a) FIRST-ORDER incumbent-wage protection is confirmed during high-EPL windows (acknowledged success) AND (b) SECOND-ORDER youth-unemployment elasticity with respect to EPL index is NOT positive and significant at p<0.05 OR temporary-contract share is NOT positively related to EPL at p<0.05 AND (c) THIRD-ORDER emigration + fertility effects are NOT significantly related to youth-unemployment and temporary-contract channels in mediation analysis. The high-EPL / low-youth-unemployment regime (Nordic benchmark) is the key counter-pattern; its presence in the donor region calibrates the test.
formal test & threshold
test: panel_fe_five_country_causal_chain threshold: FIRST-ORDER incumbent wage protection supported AND youth- unemployment elasticity wrt EPL index >=0.15 at p<0.05 AND temporary-contract share elasticity wrt EPL >=0.10 at p<0.05 AND mediation: at least 30% of reform-to-emigration effect routed through youth-unemployment channel
Method
- Template
panel_fe- Fixed effects
country, year- Clustering
country- Sample
- 5 countries · 1995 – 2024
- Evidence type
- causal
Primary: country-year panel with country and year FE, using the continuous OECD EPL index as the treatment and the reform events as instruments for plausibly exogenous EPL variation. Robustness: Callaway-Sant'Anna staggered DiD on the reform-event indicators. Exclusion restriction: reforms were driven by Troika conditions (ESP, GRC, PRT) or domestic political cycles (ITA, FRA) rather than by the outcomes of interest.
Data
| Variable | Source | Transform |
|---|---|---|
youth_unemployment_rate_15_24 outcome | eurostat:une_rt_atier 1 | level_pct |
temporary_contract_share_age_15_29 outcome | eurostat:lfsa_etpgatier 1 | share |
incumbent_worker_wage_index outcome | eurostat:earn_sestier 1 ine:EPAtier 2 istat:RCFLtier 2 insee:DADStier 2 | yoy_pct_change_real |
youth_outward_migration_flow outcome | eurostat:migr_emi2tier 1 | log_level |
total_fertility_rate outcome | eurostat:demo_find (TFR)tier 1 | level |
labour_productivity_growth outcome | eurostat:nama_10_lp_ulctier 1 | yoy_pct_change |
epl_reform_event_indicator treatment | constructed:indicators for ESP 2010+2012 reforms, ITA 2014-2015 Jobs Act, GRC 2010-2012 memorandum reforms, FRA 2016 El Khomri + 201tier 5 | indicator |
epl_index_level treatment | oecd:EPL_indicatorstier 2 | level |
gdp_growth control | eurostat:nama_10_gdptier 1 | yoy_pct_change |
trade_union_density control | oecd:trade_union_densitytier 2 | level_pct |
share_manufacturing_employment control | eurostat:nama_10_a10_etier 1 | share |
● ready · ● pending · ● reconstruct-needed
Detailed result card
Result card — strong_union_labour_law_youth_unemployment_south_europe
Verdict: PARTIAL — coef=+2.943, p=0.252 (above α=0.05); direction inconclusive
Pre-registration
- Claim: Strong employment-protection legislation (EPL) with high union wage-setting coverage and limited at-will dismissal produces a three-order causal chain in Southern European labour markets. FIRST-ORDER: insider workers receive durable job security, wage floors via collective bargaining, and statutory dismissal protections — this is a real welfare transfer to incumbent workers and an acknowledged policy success on its own terms. SECOND-ORDER: an insider-outsider duality emerges in which youth, women re-entering after care periods, immigrants and long-term unemployed face exceptionally high unemployment rates, temporary-contract traps, and hiring friction. THIRD- ORDER: the persistent youth/outsider disadvantage accelerates brain-drain emigration (ESP/ITA/GRC youth exodus 2011-2019), contributes to demographic-fertility decline (delayed family formation through unstable early-career), and produces a productivity-scarring "lost cohort" effect on the national labour force. Cases: Spain reforma 2012 as an EPL-reduction event-study, Italy Jobs Act 2015, Greece Law 4093 2012, France El Khomri 2016 and Macron 2017 ordonnances.
- Falsification rule: Not supported if, across the five countries: (a) FIRST-ORDER incumbent-wage protection is confirmed during high-EPL windows (acknowledged success) AND (b) SECOND-ORDER youth-unemployment elasticity with respect to EPL index is NOT positive and significant at p<0.05 OR temporary-contract share is NOT positively related to EPL at p<0.05 AND (c) THIRD-ORDER emigration + fertility effects are NOT significantly related to youth-unemployment and temporary-contract channels in mediation analysis. The high-EPL / low-youth-unemployment regime (Nordic benchmark) is the key counter-pattern; its presence in the donor region calibrates the test.
- Falsification test: panel_fe_five_country_causal_chain
Estimate
- Method: linearmodels.PanelOLS
- Coefficient (treatment): +2.943
- Std error: 2.497
- p-value: 0.252
- Observations: 49, countries: 5
- Within R²: -0.0664
- Fixed effects: entity=True, time=True
- Clustering: country
Variables resolved
eurostat:une_rt_a (youth unemployment 15-24 by country)→ youth_unemployment_rate_15_24 (outcome, publisher=eurostat, n=634)eurostat:earn_ses (structure of earnings survey by tenure); ine:EPA; istat:RCFL; insee:DADS→ incumbent_worker_wage_index (outcome, publisher=ine, n=3)eurostat:migr_emi2 (emigration by age, citizenship)→ youth_outward_migration_flow (outcome, publisher=eurostat, n=1021)eurostat:demo_find (TFR)→ total_fertility_rate (outcome, publisher=eurostat, n=2626)eurostat:nama_10_lp_ulc→ labour_productivity_growth (outcome, publisher=eurostat, n=1307)constructed: indicators for ESP 2010+2012 reforms, ITA 2014-2015 Jobs Act, GRC 2010-2012 memorandum reforms, FRA 2016 El Khomri + 2017 Macron ordonnances, PRT 2012 Código do Trabalho revision→ epl_reform_event_indicator (treatment, publisher=constructed, n=150)oecd:EPL_indicators (strictness of employment protection legislation)→ epl_index_level (treatment, publisher=oecd, n=1123)eurostat:nama_10_gdp→ gdp_growth (controls, publisher=eurostat, n=1424)oecd:trade_union_density→ trade_union_density (controls, publisher=oecd, n=1825)eurostat:nama_10_a10_e→ share_manufacturing_employment (controls, publisher=eurostat, n=1307)
Variables missing data
eurostat:lfsa_etpga (temporary employment by age)(outcome, name=temporary_contract_share_age_15_29) — vintage not on disk
Generated by scripts/run_panel_fe.py at 2026-06-29T17:54:02+00:00
Strongest opposing argument
Every hypothesis ships with its charitable opposing argument. The framework earns credibility by handling objections at their strongest, not weakest.
Notes
Mechanism chain: incumbent-worker protection achieved (1st) -> insider-outsider labour market with youth at the margin (2nd) -> brain-drain + fertility decline + productivity drag (3rd). Nordic counter-pattern is the essential robustness check.