Volume 35 - Article 44 | Pages 1303–1316 Author has provided data and code for replicating results

A formal decomposition of declining youth crime in Denmark

By Lars H. Andersen, Anne Sofie Tegner Anker, Signe Hald Andersen

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Date received:10 Jun 2016
Date published:11 Nov 2016
Word count:2497
Keywords:cohort analysis, decomposition, Denmark, registry data, youth crime
Additional files:readme.35-44 (text file, 1 kB)
 demographic-research.35-44 (zip file, 4 kB)


Background: Over the recent decades and across most developed democracies, youth crime has been in steady decline, and declining youth crime now constitutes an important contemporary demographic change. Yet underneath this change lingers the question of how we should best grasp declining youth crime.

Objective: To decompose declining youth crime in Denmark into its extensive and intensive margins, and show results from birth cohort analyses.

Methods: We apply Das Gupta’s (1993) method for rate decomposition to Danish registry data that holds information on all criminal justice contacts of full birth cohorts. We show results among 15-17-year-old youth by year as well as follow birth cohorts by age.

Results: The main driver of declining youth crime in Denmark is that fewer young people are experiencing contact with the criminal justice (extensive margin), and not lower rates of criminal recidivism among youth with criminal justice contact (intensive margin); a result which is found using both year and birth cohort analyses.

Contribution: The knowledge provided in our descriptive findings ‒ that change at the extensive margin is the main driver of declining youth crime in Denmark ‒ represents a first step towards understanding the important demographic change that youth crime has been in decline across developed democracies over the past decades.

Author's Affiliation

Lars H. Andersen - Rockwool Fonden, Denmark [Email]
Anne Sofie Tegner Anker - Rockwool Fonden, Denmark [Email]
Signe Hald Andersen - Rockwool Fonden, Denmark [Email]

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