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Secret Police Boosted Protests—But Curbed Sabotage in Communist Poland
Insights from the Field
Surveillance
Secret Police
Poland
Instrumental Variable
Protest
Comparative Politics
APSR
28 R files
1 Stata files
13 Datasets
3 Other
Dataverse
Does State Repression Spark Protests? Evidence from Secret Police Surveillance in Communist Poland was authored by Anselm Hager and Krzysztof Krakowski. It was published by Cambridge in APSR in 2021.

🔒 Study Question and Context

This paper asks whether physical surveillance dampens or fuels anti-regime resistance. The dominant view argues surveillance suppresses dissent by giving regimes intelligence on networks and by instilling fear. Using newly declassified records from Communist Poland, the analysis shows a more complex picture: areas with secret police officers saw more street protests but fewer acts of sabotage.

📂 Newly Declassified Records and Measurement

  • Previously secret police deployment records from Communist Poland are used to measure local exposure to secret police officers.
  • Protest occurrence and sabotage events are drawn from contemporaneous archival sources.

🧭 Causal Identification Using 'Spy Priests'

  • An instrumental variable approach is employed to establish causality.
  • The instrument exploits the exogenous assignment of Catholic “spy priests” to local communities, which affected secret police presence but is plausibly unrelated to local protest propensity except through surveillance intensity.

🕵️‍♀️ What interviews and archives Reveal About Mechanisms

  • Qualitative interviews and archival materials trace how surveillance shaped social dynamics.
  • Evidence indicates widespread anger at pervasive monitoring and a stronger incentive for citizens to reveal their true loyalties, facilitating collective mobilization.
  • Once mobilized, protesters deliberately avoided sabotage as a tactic, using public demonstrations to signal political (rather than criminal) motives to bystanders and authorities.

⚖️ Key Findings

  • Communities exposed to secret police officers were more likely to organize protests.
  • The same communities showed reduced levels of sabotage.
  • The instrumental variable estimates support a causal interpretation of these relationships.

📌 Why It Matters

  • Surveillance can simultaneously provoke public protest while altering the repertoire of contention—shifting action from covert sabotage to visible, political demonstrations.
  • Results challenge simple assumptions that state surveillance only suppresses dissent and highlight how repression can reshape, not just reduce, opposition behavior.
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