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Singaporean state-holding-company model (Temasek, GIC) combines public ownership of commanding heights with competitive enterprise discipline, achieving sustained growth that falsifies the claim that all public ownership degrades efficiency.

Falsification criterion — what would disprove this

set before the run · honoured after

This hypothesis is considered falsified if:

Multi-metric descriptive comparator test. Metrics: (1) Singapore real GDP per capita PPP annual growth versus HKG/KOR peer median over the WDI-covered 1990-2023 window; (2) Singapore PWT TFP annual growth versus HKG/KOR/TWN peer median over 1974-2019; (3) Singapore WGI government effectiveness mean versus HKG/KOR peer median over 1996-2024; (4) Singapore WGI rule-of-law mean versus HKG/KOR peer median over 1996-2024. Supported only if TFP and at least two of the three other metrics meet or exceed the peer median. Refuted if both GDP per capita growth and TFP growth miss the peer median. Otherwise partial.

formal test & threshold

test:      singapore_temasek_peer_metric_panel
threshold: supported if TFP plus >=2 other metrics beat peer median; refuted if GDP and TFP both miss; partial otherwise

Method

Template: multi_metric_checklist
Clustering: none
Sample: 4 countries · 1974 – 2023
Evidence type: canonical_case_multi_metric

Single-country canonical case (Singapore Temasek/GIC model 1974-2023). Pattern-match across Singapore's GDP per capita trajectory, TFP, and state-holding-company portfolio returns vs comparable city-state and advanced-economy peers. Tests whether public ownership of commanding heights coexisted with sustained productivity growth.

Data

Variable	Source	Transform
log_gdp_pc_ppp outcome	world_bank_wdi:NY.GDP.PCAP.PP.KDtier 2	log
tfp_index outcome	pwt:rtfpnatier 3	level
gross_capital_formation_pct_gdp outcome	world_bank_wdi:NE.GDI.TOTL.ZStier 2	level
government_effectiveness outcome	wgi:GE.ESTtier 4	level
rule_of_law outcome	wgi:RL.ESTtier 4	level
temasek_treated treatment	constructed:indicator = 1 for SGP, year >= 1974 (Temasek incorporation)tier 5	indicator
log_initial_gdp_pc control	world_bank_wdi:NY.GDP.PCAP.KDtier 2	log
log_population control	world_bank_wdi:SP.POP.TOTLtier 2	log
trade_openness control	world_bank_wdi:NE.TRD.GNFS.ZStier 2	level

● ready · ● pending · ● reconstruct-needed

Detailed result card

singapore_temasek_public_ownership_efficiency

Verdict: partial — Singapore beats peer medians on GDP-per-capita growth and institutional quality, but misses the registered PWT TFP growth metric, so the strong efficiency claim is not fully supported.

Metrics

gdp_pc_ppp_annual_growth_1990_2023: Singapore 0.0322, peer median 0.0314, meets=True.
tfp_annual_growth_1974_2019: Singapore -0.0006, peer median 0.0151, meets=False.
wgi_government_effectiveness_mean_1996_2024: Singapore 2.2106, peer median 1.4169, meets=True.
wgi_rule_of_law_mean_1996_2024: Singapore 1.4639, peer median 1.1423, meets=True.

Method Note

This is a descriptive comparator test; it does not causally attribute Singapore's outcomes to Temasek/GIC.

Strongest opposing argument

Every hypothesis ships with its charitable opposing argument. The framework earns credibility by handling objections at their strongest, not weakest.

Notes

Seeded from a market-socialist claim that Singapore's Temasek/GIC state-holding-company model proves public ownership can coexist with competitive discipline. v2 pins a local-data multi-metric comparator test using WDI GDP per capita, PWT TFP, and WGI institutional-quality measures. Portfolio-return measurement remains out of scope until Temasek/GIC annual-report data are ingested.